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Transformer excited from a sinusoidal voltage source will draw a no-load current, which
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- is sinusoidal and of the same frequency as the voltage source.
- comprises the fundamental frequency (same as that of the voltage source) and the peaking third harmonic.
- comprises the fundamental frequency and the depressing third harmonic.
- is sinusoidal of frequency three times that of the voltage source.
Correct Option: B
NA
