Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Number of turns of the coil Resistance of the coil Motion of the magnet Pole strength of the magnet Number of turns of the coil Resistance of the coil Motion of the magnet Pole strength of the magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 10 AT 16 AT 8 AT 4 AT 10 AT 16 AT 8 AT 4 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from south to north back to front front to back from north to south from south to north back to front front to back from north to south ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is not a unit of flux? Weber Tesla All of the listed here Maxwell Weber Tesla All of the listed here Maxwell ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 63.38 N/Wb 633.8 N/Wb 63380 N/Wb 6338 N/Wb 63.38 N/Wb 633.8 N/Wb 63380 N/Wb 6338 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 3,125 V 31.25 V 1,000 V 2,000 V 3,125 V 31.25 V 1,000 V 2,000 V ANSWER DOWNLOAD EXAMIANS APP
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