Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 24 N 0.24 N 240 N 2.4 N 24 N 0.24 N 240 N 2.4 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Silver Copper Iron Silver and copper Silver Copper Iron Silver and copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Tungsten Aluminium Copper Nickel Tungsten Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is decreased reversed in polarity increased zero decreased reversed in polarity increased zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/4 M M/2 2M M/4 M M/2 2M ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the number of turns Increasing the cross-sectional area All of the listed here Increasing current supply Increasing the number of turns Increasing the cross-sectional area All of the listed here Increasing current supply ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS