Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 9,000 At/Wb 14,400 At/Wb 90,000 At/Wb 1,440 At/Wb 9,000 At/Wb 14,400 At/Wb 90,000 At/Wb 1,440 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Zinc Brass Copper Ebolite Zinc Brass Copper Ebolite ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for ferromagnetic substances diamagnetic substances non-magnetic substances None of these ferromagnetic substances diamagnetic substances non-magnetic substances None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents current Voltage magnetic field direction of force on the conductor current Voltage magnetic field direction of force on the conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is None of the listed here Hennry/meter Its dimensionless Hennry None of the listed here Hennry/meter Its dimensionless Hennry ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Increase Decrease Remain Constant Be excessive Increase Decrease Remain Constant Be excessive ANSWER DOWNLOAD EXAMIANS APP
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