MCQ
Capacity of a parallel plate condenser can be increased by:
  • A
    Increasing the distance between the plates.
  • B
    Increasing the thickness of the plates.
  • C
    Decreasing the thickness of the plates.
  • D
    Decreasing the distance between the plates.

Answer

  1. Decreasing the distance between the plates.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The power of a person's spectacle lenses is +2 D . He is suffering from which of the following defects?
The filament of an electric bulb is made of:
Find the true statement.

an isotope of thorium decays in ten stages emitting six a-particles and four b-particles in all. The end product of the decay is

(a)  

(b)  

(c)  

(d)

Two bar magnets with magnetic moments 2 M and M are fastened together at right angles to each other at their centres to form a crossed system, which can rotate freely about a vertical axis through the centre. The crossed system sets in earth’s magnetic field with magnet having magnetic moment 2M making and angle q with the magnetic meridian such that

(a) θ =  

(b) θ =   

(c) θ =   

(d) θ =   

If mass-energy equivalence is taken into account, when water is cooled to form ice, the mass of water should:

The magnetic induction at a point P which is distant 4 cm from a long current carrying wire is . The field of induction at a distance 12 cm from the same current would be

(a) 3.33

(b) 1.11

(c) 3

(d) 9

One requires 11eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in:
In which of the following situations, the heavier of the two particles has smaller de Broglie wavelength? The two particles:
  1. Move with the same speed.
  2. Move with the same linear momentum.
  3. Move with the same kinetic energy.
  4. Have fallen through the same height.

A player with 3 m long iron rod runs towards east with a speed of 30 km/hr. Horizontal component of earth's magnetic field is 4 . If he is running with rod in horizontal and vertical positions, then the potential difference induced between the two ends of the rod in two cases will be

(a) Zero in vertical position and 1  in horizontal position

(b) 1  in vertical position and zero is horizontal position

(c) Zero in both cases

(d) 1  in both cases