quiz

SANJEEV EDUPOINT QUIZ SHOW

Q1:The current in an inductor of self-inductance 4 H changes from 4 A to 2 A in 1 second. The e.m.f. induced in the coil is:

-2 V
2 V
-4 V
8 V

Q2:The ratio of the moments of inertia of two spheres about their diameter and having same mass and their radii in the ratio of 1: 2 is

2 : 1
4 : 1
1 : 2
1 : 4

Q3:Assuming the earth to be a sphere of uniform density,its acceleration due to gravity acting on a body:

increases with increasing altitude
increases with increasing depth
is independent of the mass of the earth
is independent of the mass of the body

Q:






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