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The frequency of household a.c. supply in India is
A60 Hz like the USA
B50 Hz
C100 Hz
D1000 Hz
Answer & Solution
Correct answer: B. 50 Hz
1. The chapter section on household supply gives the frequency.
2. In India it is 50 cycles per second (Hz).
3. USA and a few others use 60 Hz.
4. So option A is correct.
_Source: Selina Concise Physics Class 10, Ch 10 Electromagnetism (Mistral OCR'd PDF), section on a.c. frequency_
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