Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Induction

Question:

Options:

a

b

c

d

Correct Answer:

b

Explanation:

$ \eta = \frac{P_{out}}{P_{in}} = \frac{V_SI_S}{V_PI_P} = \frac{230\times I_S}{2300\times 5} = 0.9$

$ I_S = 45A$