A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
A capacitor of 10 µF charged upto 250 volt is connected in parallel with another capacitor of 5 µF charged…
A capacitor of 10 µF charged upto 250 volt is connected in parallel with another capacitor of 5 µF charged…
The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5 Å.…
A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m. Force across an imaginary…
A force of 5 N is acting on an object. Displacement of object is 10 m and the work done…
A body is moving in a vertical circle. The string must remain taut at the highest point. The centripetal acceleration…
A transistor is working in common emitter mode. Its amplification factor is 80. If the base current is 250 µA,…
Water rises to a height h in a capillary at the surface of earth. On the surface of the moon…
A Galilean telescope has an objective of focal length 100 cm and magnifying power 50. The distance between the two…
Starting from the origin, a body oscillates simple harmonically with a period of 2s. After what time will its kinetic…
The potential difference applied to an X-ray tube is 5 kV and the current through it is 3.2 mA. The…