Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is decreased increased reversed in polarity zero decreased increased reversed in polarity zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 6 8 4 12 6 8 4 12 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density decreases doubles remains the same increases decreases doubles remains the same increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Energy meters Transformers None of the listed here Loud speakers Energy meters Transformers None of the listed here Loud speakers ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Dipole moment Both dipole and monopole moment None of the listed here Monopole moment Dipole moment Both dipole and monopole moment None of the listed here Monopole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 18.75 At 300 At 187 At 30 At 18.75 At 300 At 187 At 30 At ANSWER DOWNLOAD EXAMIANS APP