Which of the following is a unit of magnetic field intensity?
Newton
Hertz
Tesla
Ohms
Tesla , named after his name ( Nicola Tesla)
A pivoted magnetic compass needle is free to rotate in a horizontal plane in earth's magnetic field. Another magnetic field of induction 0.54×10−4 Tesla is applied at right angles to the earth's field BH=0.36×10−4 Tesla. The angle through which the needle deflects is: