Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Soft iron Hardened steel Stainless steel None of the listed here Soft iron Hardened steel Stainless steel None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is inversely proportional to I proportional to 7 proportional to X proportional to distance between the conductors inversely proportional to I proportional to 7 proportional to X proportional to distance between the conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Silver and copper Iron Silver Copper Silver and copper Iron Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Faraday's laws Lenz's law Kirchhoff's law Ampere's law Faraday's laws Lenz's law Kirchhoff's law Ampere's law ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Main causes of noisy solenoid are None of these Both of the listed here uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force None of these Both of the listed here uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Increases Remain same None of the listed here Decreases Increases Remain same None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS