Electrical Engineering · Measuring Instruments
What is the primary cause of the loading effect when a voltmeter is connected across a load component in a circuit?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The finite internal resistance of the voltmeter connects in parallel with the load✓
- 2An additional voltage drop appears across the source resistance
- 3The internal resistance of the voltmeter acts in series with the load
- 4Additional current is forced into the load branch by the instrument
Correct answer
The finite internal resistance of the voltmeter connects in parallel with the load
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