An A C current is given by I = I 1 s i n ω t + I 2 c o s ω t . A hot wire ammeter will give a…

An AC current is given by I=I1sinωt+I2cosωt.
A hot wire ammeter will give a reading:
  1. I12-I222
  2. I12+I222
  3. I1+I22
  4. I1+I222

Solution

I=I1sinωt+I2cosωt

I0=I12+I22

Irms=I02=I12+I222

Asked in: JEE Main 2021 (17 Mar Shift 1)

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