Test Details
A magnet freely suspended in a vibration magnetometer makes 10 oscillations per minute at a place A and 40 oscillations per minute at a place B. If the horizontal component of earth's magnetic field at A is 36 x 10-6 T, then its value at B is
A magnet freely suspended in a vibration magnetometer makes 10 oscillations per minute at a place A and 40 oscillations per minute at a place B. If the horizontal component of earth's magnetic field at A is 36 x 10-6 T, then its value at B is