JEE Main 2022 · 25 Jun · Shift 1 · Physics Q39

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PhysicsList match+4 / -1Question 39 of 90

Match List - I with List - II.

Choose the correct answer from the options given below :

List - I

A
AC generator
B
Galvanometer
C
Transformer
D
Metal detector

List - II

I
Detects the presence of current in the circuit
II
Converts mechanical energy into electrical energy
III
Works on the principle of resonance in AC circuit
IV
Changes an alternating voltage for smaller or greater value

(A) - (II), (B) - (I), (C) - (IV), (D) - (III)

(A) - (II), (B) - (I), (C) - (III), (D) - (IV)

(A) - (III), (B) - (IV), (C) - (II), (D) - (I)

(A) - (III), (B) - (I), (C) - (II), (D) - (IV)

Answer and worked solution

Official answer: A

Match. AC generator converts mechanical to electrical energy (II); galvanometer detects current (I); transformer changes AC voltage (IV); metal detector works on resonance in an AC circuit (III).

(A)

Topics:Transformers and AC generator Moving coil galvanometer LCR circuits and resonance

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JEE Main 2022 · 25 Jun · Shift 1, Physics question 39