Physics · Alternating Current
An alternating current (AC) cannot be measured accurately by a standard moving-coil DC ammeter because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1AC is a virtual current
- 2AC continuously changes its direction
- 3AC cannot pass through a DC ammeter
- 4The average value of AC over a complete cycle is zero✓
Correct answer
The average value of AC over a complete cycle is zero
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