Magnetism and Electromagnetism The unit for reluctance is Wb At/m At/Wb tesla Wb At/m At/Wb tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density remains the same doubles increases decreases remains the same doubles increases decreases ANSWER DOWNLOAD EXAMIANS APP
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 A material which is slightly repelled by a magnetic field is known as ferromagnetic material diamagnetic material conducting material paramagnetic material ferromagnetic material diamagnetic material conducting material paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Dipole moment Both dipole and monopole moment None of the listed here Monopole moment Dipole moment Both dipole and monopole moment None of the listed here Monopole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing current supply All of the listed here Increasing the cross-sectional area Increasing the number of turns Increasing current supply All of the listed here Increasing the cross-sectional area Increasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
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