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Class XII Physics - Alternating Current Quiz
Class XII
Physics
Alternating Current
14 questions
MEDIUM
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Preview questions
1. What is the frequency of the alternating current in India?
50 Hz · 60 Hz · 30 Hz · 100 Hz
2. In an AC circuit, the voltage and current are represented as which of the following?
Scalars · Vectors · Complex numbers · Real numbers
3. What is the RMS value of an AC current?
I_peak / √2 · I_peak × √2 · I_peak · I_peak / 2
4. The average value of an AC current over one complete cycle is:
Zero · I_peak · I_rms · I_average
5. In a purely resistive AC circuit, the phase difference between voltage and current is:
0 degrees · 90 degrees · 180 degrees · 45 degrees
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