In a heating arrangement , an alternating current having a peak value of 28 A is used . To produce the same heat energy , If the constant current is u
In a heating arrangement , an alternating current having a peak value of 28 A is used . To produce the same heat energy , If the constant current is used, its magnitude must be
A. about 1A
B. about 28 A
C. about 20 A
D. Cannot say
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Correct Answer - C
`underset(o)(I)` = 28 A
`therefore` `underset(rms)(I)` = `underset(o)(I)`/`sqrt 2` `approx` 20 A
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