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? 8 AT 16 AT 4 AT 10 AT 8 AT 16 AT 4 AT 10 AT 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 12 mA 120 mA 1.7 mA 16 mA 12 mA 120 mA 1.7 mA 16 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is reversed in polarity increased zero decreased reversed in polarity increased zero decreased ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Ferri-magnetic material Ferro magnetic material Non-magnetic materials Paramagnetic material Ferri-magnetic material Ferro magnetic material Non-magnetic materials Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is decreasing current voltage current an increasing current decreasing current voltage current an increasing current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have 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 High co-ercivity and low density Large area of B-H loop High co-ercivity and high retentivity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS