JEE Advanced 2021 Full Test 4 Paper 1

PART – I

Physics

SECTION – A (One Options Correct Type)
This section contains 06 multiple choice questions. Each question has four choices (A), (B), (C) and (D), out of which ONLY ONE option is correct.

Question : 3 of 54

Marks: +1, -0

A conducting rod (OP) of length L rotates in form of a conical pendulum with an angular velocity ω about a fixed vertical axis passing through its end O. There is a uniform magnetic field B in vertically downward direction. The rod makes an angle θ with the direction of the magnetic field. The emf induced across the ends of the rod is

BωL2sin2θ
2
BωL2cos2θ
2
BωL2tan2θ
2
BωL2
2

Validate

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