Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path zero lower little higher zero lower little higher ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density increases Core area increases Core length increases Flux density decreases Flux density increases Core area increases Core length increases Flux density decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from north to south back to front front to back from south to north from north to south back to front front to back from south to north ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Monopole moment Both dipole and monopole moment Dipole moment None of the listed here Monopole moment Both dipole and monopole moment Dipole moment None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 1.7 mA 16 mA 120 mA 12 mA 1.7 mA 16 mA 120 mA 12 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High co-ercivity and low density Large area of B-H loop High co-ercivity and high retentivity High permeability and low hysteresis loss High co-ercivity and low density Large area of B-H loop High co-ercivity and high retentivity High permeability and low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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