Numerical-% error due to loading effect for given voltmeter parameters

Q.  A voltmeter connected across an unknown resistance has scale of 0 to 150 V reads 50 V when the current flowing in the circuit is 1 mA. If sensitivity of the voltmeter is 15kΩ/V, then the percentage error due to loading effect is
- Published on 03 Nov 15

a. ± 1.5%
b. ± 2.12%
c. ± 2.22%
d. ± 2.5%

ANSWER: ± 2.22%

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