Question

For an AC given by I = 50 cos (100t + 45°)A. The value of Irms = ........ A.​

Answer 1

Answer:

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Explanation:

Comparing the equation by

I=I

0

cos(ωt+ϕ)

Here, I

0

is the maximum peak voltage.

I

0

=50A

The RMS voltage is obtained as:

I

rms

=

2

I

0

=

2

50

=25

2

A