Advertisements
Advertisements
प्रश्न
The electric potential on the axis of an electric dipole at a distance ‘r from it’s centre is V. Then the potential at a point at the same distance on its equatorial line will be ______.
पर्याय
2V
-V
V/2
Zero
Advertisements
उत्तर
The electric potential on the axis of an electric dipole at a distance ‘r from it’s centre is V. Then the potential at a point at the same distance on its equatorial line will be zero.
Explanation:
Potential on the equatorial line of dipole is always zero.
APPEARS IN
संबंधित प्रश्न
Take the potential of the point B in figure to be zero. (a) Find the potentials at the points C and D. (b) If a capacitor is connected between C and D, what charge will appear on this capacitor?
The particle P shown in figure has a mass of 10 mg and a charge of −0⋅01 µC. Each plate has a surface area 100 cm2 on one side. What potential difference V should be applied to the combination to hold the particle P in equilibrium?
The magnitude of the electric field (in NC – 1) in a region varies with the distance r(in m) as
E = 10 r + 5
By how much does the electric potential increase in moving from point at r = 1 m to a point at r = 10 m.
If a positive charge moves opposite to the direction of the electric field, the field does _______ work on charge and potential energy ________.
It becomes possible to define potential at a point in an electric field because electric field ______.
From a point charge, there is a fixed point A. At A, there is an electric field of 500 V/m and potential difference of 3000 V. Distance between point charge and A will be ______.
A positively charged particle is released from rest in a uniform electric field. The electric potential energy of the charge ______.
-
The metal plate divides the capacitor into two capacitors connected in parallel to each other.
-
The metal plate divides the capacitors into two capacitors connected in series with each other.
-
The metal plate is equivalent to a dielectric of zero dielectric constant.
If a conductor has a potential V ≠ 0 and there are no charges anywhere else outside, then ______.
If a conductor has a potential V ≠ 0 and there are no charges anywhere else outside, then ______.
- there must be charges on the surface or inside itself.
- there cannot be any charge in the body of the conductor.
- there must be charges only on the surface.
- there must be charges inside the surface.
