Electronics Fundamentals: Circuits, Devices & Applications (8th Edition)

Chapter 6

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; When two resistors are connected in parallel, ... more

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The resistances and , and the parallel combination... more

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All the four resistors, , , , and , are connected ... more

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In the circuit, and are in parallel. ; For a ... more

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The parallel combination of and are in series... more

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11.2 mA ; From the circuit diagram of figure 6-24... more

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3.7 V ; From the circuit diagram of figure 6-24, ... more

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and ; In the provided circuit, the series ... more

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The output voltage is reduced, due to the load ... more

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The resistance connected across a voltage divider ... more

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; In the voltage divider formula, the output ... more

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The voltmeter can potentially load a circuit by ... more

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If a voltmeter with a internal resistance is ... more

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If a voltmeter with a resistance is measuring the... more

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; Ohm/Volt is known as the sensitivity of a ... more

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; A Wheat-stone bridge circuit can be briefed as ... more

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The bridge is in a balanced condition if there is ... more

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; In the balanced condition of the Wheatstone ... more

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In the unbalanced condition, the Wheatstone bridge... more

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A load cell is a transducer, where strain gauges ... more

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The two main constituents of the Thevenin ... more

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; Thevenin’s theorem is used to simplify circuit ... more

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Thevenin equivalent voltage of a circuit is ... more

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Thevenin equivalent resistance of a circuit is ... more

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; For measuring the Thevenin resistance across ... more

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The maximum power transfer theorem states that, to... more

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Maximum power is transferred to the load from the ... more

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; Maximum power is transferred to the load from ... more

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Superposition theorem states that the voltage or ... more

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Superposition theorem simplifies the process of ... more

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Just for simplification, one source is considered ... more

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The direction of the net current will follow the ... more

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Open and Short are the two most common faults ... more

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According to the voltmeter reading (6V), the ... more

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413 days ; All the four resistors are four-band ... more

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Yes. ; From the voltage divider rule, calculate ... more

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No. ; The maximum power is across the load ... more

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Two or more resistors are said to be in parallel ... more

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The voltage drops across any resistance (series or... more

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If the current is same throughout the circuit, ... more

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Resistors with high load resistance possess higher... more

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Loading effect is defined as the intensity of the ... more

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If the input resistance of the voltmeter is more ... more

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Analog multi meters are significantly influenced ... more

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The equivalent circuit of Thevenin’s theorem ... more

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If the internal resistance of an ideal voltage ... more

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The maximum power transfer is possible only when ... more

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If the resistors and are in series with , , and... more

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The equation shows that a series combination of ... more

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The resistances , , and are equal in value and ... more

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Since two resistances are connected in series, ... more

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The Total resistance of the given combination of ... more

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The total resistance of the given combination of ... more

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Four resistors of the same value of are connected ... more

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From the voltage dividing formula, output voltage... more

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From the voltage dividing formula, the output ... more

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When a load resistance is connected to the output ... more

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In a balanced condition of the Wheatstone bridge... more

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Thevenin’s theorem uses an equivalent voltage ... more

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As one current is flowing in the direction ... more

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The Thevenin equivalent circuit consists of a ... more

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From the maximum power transfer theorem, to ... more

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Voltage read by the voltmeter is given by:Here, Rm... more

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If resistance is open, then there is no current ... more

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If there is a short across resistance,then from ... more

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If resistance is open, then there will be no ... more

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If there is a short across resistance ,then from ... more

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If there is a short across resistance , then from ... more

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The resistances, , and are in parallel, and the ... more

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; Let the unknown resistance be ,is in parallel ... more

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; The table showing the color bands, and their ... more

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; Assume the current passing through resistances... more

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2.22 mA ; In the circuit diagram (figure 6-78), ... more

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; In the circuit diagram, R4 and R5 are connected... more

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Unloaded output voltage, Loaded output voltage, ; ... more

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When the load is across only a single resistor, ... more

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; Assume that resistances RA and RB are connected... more

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The current drawn from the source voltage with no ... more

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To get the minimum loading effect, the external ... more

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; Three resistors of each, are connected in ... more

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; Making the circuit diagram based on the ... more

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; Three resistors of are connected in series ... more

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33% ; The internal resistance of the voltmeter can... more

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49.7% ; High Input resistance of the multimeter ... more

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; For a balanced bridge circuit, . To find the ... more

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; To calculate the value of the unknown ... more

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; To calculate the value of the unknown ... more

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; The resistance of the thermistor depends on ... more

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; Let the Thevenin voltage be represented as . ... more

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; Remove the load to calculate the Thevenin ... more

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; Assume the Thevenin resistance can be ... more

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; According to the maximum power transfer theorem... more

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; According to the maximum power transfer theorem... more

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21 mA ; For applying the superposition theorem,the... more

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16.7 mA. ; For applying the superposition theorem,... more

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The reading indicated by the multimeter is ... more

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The voltage at point A is 15 V and the voltages at... more

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The meter reading 7.62 V is incorrect.The meter ... more

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The removal of the resistors, , , and, from the ... more

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Voltage across terminal A is 3.31 V.Voltage across... more

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; In the circuit shown in figure 6-94, the ... more

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  ; In the circuit shown in figure, 6-94, the ... more

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; Resistances R2, and the parallel combinations ... more

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; The given diagram can be modified as shown ... more

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; According to the diagram given, the resistance ... more

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; Draw a voltage divider circuit with resistors ... more

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; Draw the voltage divider circuit on the ... more

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; According to superposition theorem, the current... more

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; According to the superposition theorem, the ... more

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11.7V ; Assume that the resistor is connected ... more

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; The schematic diagram for the given double-... more

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; The layout of the PC board is as shown in ... more

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At position 1: V1 = 88 V, V2 = 58.7 V, and V3 = 29... more

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Either resistor or resistor is opened. ; Redraw ... more

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The readings measured by both the voltmeters are ... more

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The resistor, R3, is opened. ; A reading of 2.5 V ... more

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Yes, resistor is open. ; Redraw the circuit by ... more

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; If resistor   gets opened, then resistors and... more

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