Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path higher lower little zero higher lower little zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage increases decreases remains unchanged reverses polarity increases decreases remains unchanged reverses polarity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability equal to unity slightly more than unity equal to that ferromagnetic mate rials slightly less than unity equal to unity slightly more than unity equal to that ferromagnetic mate rials slightly less than unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Soft iron Hardened steel Stainless steel None of the listed here Soft iron Hardened steel Stainless steel None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 187 At 300 At 30 At 18.75 At 187 At 300 At 30 At 18.75 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 120 mA 12 mA 16 mA 1.7 mA 120 mA 12 mA 16 mA 1.7 mA ANSWER DOWNLOAD EXAMIANS APP
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