Two resistors of values 1 kQ and 4 Q are connected in series across a constantvoltage supply of 100 V. A voltmeter having an internal resistance of 12 kM is connected across the4 k resistor. Draw the circuit and calculate(a) true voltage across 4 k2 resistor before the voltmeter was connected.(b) actual voltage across 4karesistor after the voltmeter is connected and the voltage recordedby the voltmeter.3.(c) change in supply current when voltmeter is con-nected.(d) percentage error in voltage across 4 k2 resistor.

Loading Effect : When electrical instruments like voltmeter, ammeter, etc. are connected into the…

3 Two resistors of values 1 kQ and 4 are connected in series across a constant voltage supply of 100 V. A voltmeter having an internal resistance of 12 kM is connected across the 4 ka resistor. Draw the circuit and calculate (4) true voltage across 4 ka resistor before the voltmeter was connected. (6) actual voltage across 4klresistor after the voltmeter is connected and the voltage recorded by the voltmeter. 3. (c) change in supply current when voltmeter is con- nected. (d) percentage error in voltage across 4 k2 resistor.

3 Two resistors of values 1 kQ and 4 are connected in series across a constant voltage supply of 100 V. A voltmeter having an internal resistance of 12 kM is connected across the 4 ka resistor. Draw the circuit and calculate (4) true voltage across 4 ka resistor before the voltmeter was connected. (6) actual voltage across 4klresistor after the voltmeter is connected and the voltage recorded by the voltmeter. 3. (c) change in supply current when voltmeter is con- nected. (d) percentage error in voltage across 4 k2 resistor.

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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