Electromagnetic Induction & Alternating Currents-Peak and RMS Value of AC (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics): Questions 1 - 1 of 1

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Question number: 1

» Electromagnetic Induction & Alternating Currents » Peak and RMS Value of AC

Appeared in Year: 2011

MCQ▾

Question

For a domestic AC supply of 220 V at 50 cycles per second, the potential difference between the terminals of a two pin electric outlet in a room is given by –

Choices

Choice (4) Response

a.

V(t)=2202cos(100πt)

b.

V(t)=2202cos(50t)

c.

V(t)=220cos(50t)

d.

V(t)=220cos(100πt)

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