Mathematics · Electrical Networks
A voltmeter has a resistance of 2000 Ω. When connected across a DC circuit, its power consumption is 2 mW. If this voltmeter is replaced by another voltmeter having a resistance of 4000 Ω across the same circuit, the power consumption will be .
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 mW✓
- 23 mW
- 34 mW
- 42 mW
Correct answer
1 mW
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