JEE Advanced 2021 Full Test 3 Paper 2

Show Para Hide Para

SECTION – B (Single Digit Integer Type)
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.

Question : 9 of 54

Marks: +1, -0

A uniform disc of mass m and radius R having charge Q distributed uniformly all over its surface is placed an a smooth horizontal surface. A magnetic field B=B0r3, where B0 is constant, r is radial distance from the centre of disc and t is time is switched on perpendicular to plane of disc. Angular acceleration of disc at time t is given by p

B0QRt

15m

. Find p ?

Your Answer:

Validate

Go to Question:

Prev Question

Next Question