Q24 of 238 Page 103

State an important advantage of alternating current over direct current.

changes direction periodically in ac occurs but this is not possible with dc.


More from this chapter

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24

What do you understand by the terms 'direct current' and 'alternating current'?

 24

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

 24

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

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