A conducting rod of length 0.2 m is rotated with angular velocity 10 rad/s about one end in a uniform magnetic field of 0.5 T perpendicular to the plane...
Which of the following materials is most suitable for marking electromagnetic and core of transformer?
A positron is an anti-particle of an electron, having the same mass but opposite charge to electron. Then, the minimum energy released in annihilation ...
The unit of electric power is —
A meter stick moves along its length with a certain speed. The apparent length of the moving meter stick as measured by a stationary observer on the gr...
A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will -
Where is the magnetic force of a bar magnet the strongest?
A coil takes 4 A from a 12 V DC source. When connected to a 12 V, 50 rad/s AC source, the current is 2.4 A. The inductance of the coil is:
Which of the following is NOT a vector quantity?
The amount of light entering in eye is controlled by:
