Physics, asked by hira4475, 8 months ago

If an electron describes half a revolution in a circle of radius
r in a magnetic field B, the energy acquired by it is
(a) zero (b) 1/2 mv²
(c) 1/4 mv²
(d) πr × Bev

Answers

Answered by nbhardwaj791

2

Answer:

C is the right answer.

Hope it helps you.

lf it helps please mark me as brainlist.....

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