EASY
12th Odisha Board
IMPORTANT
Earn 100

The insulation property of air breaks down at an intensity of electric field of 3×106 voltm. The maximum charge given to a sphere of diameter 5 m is .

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Important Questions on Electric Field and Potential

EASY
12th Odisha Board
IMPORTANT
The electric field strength due to an insulated charge Q at a distance r is _____ proportional to the insulated charge.
EASY
12th Odisha Board
IMPORTANT
The electric potential due to an insulated charge Q at a distance r is 1nπ0Qr. The value of n is _____.
EASY
12th Odisha Board
IMPORTANT
When a charged conductor is placed near an earth reonnected conductor its potential always _____ (increases/decreases).
EASY
12th Odisha Board
IMPORTANT
The electrostatic force F on a charge 'q' placed in an electric field E is _____
EASY
12th Odisha Board
IMPORTANT
The electric field intensity at the surface of a charged conductor is _____ to the surface.
EASY
12th Odisha Board
IMPORTANT
If the electric field is uniform in a region, then electric lines of force in that region are _____.
EASY
12th Odisha Board
IMPORTANT
The electric field strength due to a dipole at an axial point is proportional to 1rk. The value of k is _____.
EASY
12th Odisha Board
IMPORTANT
The electric potential at a point, distance r from an electric dipole is proportional to 1rz. The value of z is _____.