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1. By using voltage-divider rule, calculate the voltages v, and v, in the network 7 5

1. By using voltage-divider rule, calculate the voltages v, and v, in the network 7 5

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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QUIZ 1 1. By using voltage-divider rule, calculate the voltages v, and v, in the network in 7 5 6. 4 12 V 2Vy Two batteries A and B are 2. connected in parallel and load of 10 Qis connected across their terminals. A has an e.m.f. of 12 V and an internal resistance of 2 Q ; B has an e.m.f. of 8 V and an internal resistance of 1 Q Use Kirchhoff's laws to determine the values and directions of the currents flowing in each of the batteries and in the external resistance. Also determine the potential difference across the external resistance. 3. Two resistors of values 1 kQ and 4 Q are connected in series across a constant voltage supply of 100 V. A voltmeter having an internal resistance of 12 kQ is connected across the 4 k2 resistor. Draw the circuit and calculate (a) true voltage across 4 k2 resistor before the voltmeter was connected. (b) actual voltage across 4k2 resistor after the voltmeter is connected and the voltage recorded by the voltmeter. (c) change in supply current when voltmeter is con- nected. (d) percentage error in voltage across 4 kQ resistor.
Transcribed Image Text:QUIZ 1 1. By using voltage-divider rule, calculate the voltages v, and v, in the network in 7 5 6. 4 12 V 2Vy Two batteries A and B are 2. connected in parallel and load of 10 Qis connected across their terminals. A has an e.m.f. of 12 V and an internal resistance of 2 Q ; B has an e.m.f. of 8 V and an internal resistance of 1 Q Use Kirchhoff's laws to determine the values and directions of the currents flowing in each of the batteries and in the external resistance. Also determine the potential difference across the external resistance. 3. Two resistors of values 1 kQ and 4 Q are connected in series across a constant voltage supply of 100 V. A voltmeter having an internal resistance of 12 kQ is connected across the 4 k2 resistor. Draw the circuit and calculate (a) true voltage across 4 k2 resistor before the voltmeter was connected. (b) actual voltage across 4k2 resistor after the voltmeter is connected and the voltage recorded by the voltmeter. (c) change in supply current when voltmeter is con- nected. (d) percentage error in voltage across 4 kQ resistor.
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