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 12 mA 120 mA 1.7 mA 16 mA 12 mA 120 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of repulsion no force a downward force a force of attraction a force of repulsion no force a downward force a force of attraction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 0.3 AT 300 AT 30 AT 3 AT 0.3 AT 300 AT 30 AT 3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Ferro magnetic material Non-magnetic materials Ferri-magnetic material Paramagnetic material Ferro magnetic material Non-magnetic materials Ferri-magnetic material Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Brass Ebolite Copper Zinc Brass Ebolite Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a scalar quantity universal constant pole strength vector quantity scalar quantity universal constant pole strength vector quantity ANSWER DOWNLOAD EXAMIANS APP
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