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2. Magnetic Effects of Electric Current
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Q24 of 238 Page 103

What is the frequency of A.C. supply in India?

The frequency of A.C. supply in India is 60HZ.


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24

Name some sources of direct current and some of alternating current.

24

State an important advantage of alternating current over direct current.

25

A rectangular coil of copper wire is rotated in a magnetic field. The direction of induced current changes once in each:

26

The phenomenon of electromagnetic induction is:

Questions · 238
2. Magnetic Effects of Electric Current
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