Practice

Questions

Pick a topic and practice with clear explanations.

CUET

Q31. An AC current is given by I = i₁ coswt + i₂sinwt The rms current is given by: (a) (i₁+i₂)/√2 (b) √((i₁²+i₂²)/2) (c) √(i₁²+i₂²)/2 (d) √((i₁+i₂)²)/2