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A metal disc of radius 100 cm is rotated at a constant angular speed of 60 rad/s in a plane at right angles to an external field of magnetic induction 0.05 Wb/m2. The emf induced between the centre and a point on the rim will be-

Q. A metal disc of radius 100 cm is rotated at a constant angular speed of 60 rad/s in a plane at right angles to an external field of magnetic induction 0.05 Wb/m2. The emf induced between the centre and a point on the rim will be-

(a) 3 V

(b) 1.5 V

(c) 6 V

(d) 9 V                                                                                  (NEET)

Aditya Bhatt Answered question 12 March 2024
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