Magnetism and Electromagnetism Ferrites are materials. Ferromagnetic Paramagnetic None of the listed here Diamagnetic Ferromagnetic Paramagnetic None of the listed here Diamagnetic 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 120 mA 16 mA 12 mA 1.7 mA 120 mA 16 mA 12 mA 1.7 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Silver Iron Copper Silver and copper Silver Iron Copper Silver and copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density decreases Core length increases Flux density increases Core area increases Flux density decreases Core length increases Flux density increases Core area increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a strong magnet which is a good conductor which is a bad conductor through which the magnetic lines of force can pass very easily which is a strong magnet which is a good conductor which is a bad conductor through which the magnetic lines of force can pass very easily 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? 150 At 300 At 200 At 100 At 150 At 300 At 200 At 100 At ANSWER DOWNLOAD EXAMIANS APP
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