Question
Capacitiors are used in electrical circuits where appliances need more:

Answer

  1. Current.

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 change in frequency due to Doppler effect does not depend on:
  1. The speed of the source.
  2. The speed of the observer.
  3. The frequency of the source.
  4. Separation between the source and the observer.
Nuclear force is :
Two lines of force due to a bar magnet(a) Intersect at the neutral point(b) Intersect near the poles of the magnet(c) Intersect on the equatorial axis of the magnet(d) Do not intersect at all
 
 
 
 
A solenoid of length $l$ metre has self$-$inductance $L$ henry. If number of turns are doubled, its self inductance
A boy stands straight infront of a mirror at a distance of $30 \ cm$  away from it. He sees his erect image whose height is  $\frac{1}{5} {th}$ of his real height. The mirror he is using is
$1$ Coulomb $= ...........$ Electro Static Unit.
A plane mirror makes an angle of 30° with horizontal. If a vertical ray strikes the mirror, find the angle between mirror and reflected ray(a) 30°(b) 45° (c) 60° (d) 90° 
       
A battery is charged at a potential of 15 V for 8 hours when the current flowing is 10 A. The battery on discharge supplies a current of 5 A for 15 hours. The mean terminal voltage during discharge is 14 V. The "Watt-hour" efficiency of the battery is(a) 82.5%                                           (b) 80 %(c) 90%(d) 87.5%
       
Assertion :   Mass of moving photon varies inversely as the wavelength.
Reason : Energy of the particle $=$ Mass $\times (\text { Speed of light })^2$
The time period of a vibration magnetometer is $T_0$. Its magnet is replaced by another magnet whose moment of inertia is $3$ times and magnetic moment is $1 / 3$ of the initial magnet. The time period now will be