Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path zero higher little lower zero higher little lower ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have Low coercivity High susceptibility None of the listed here Both low coercivity and high susceptibility Low coercivity High susceptibility None of the listed here Both low coercivity and high susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Paramagnetic material Diamagnetic material Ferro magnetic material Bipolar Paramagnetic material Diamagnetic material Ferro magnetic material Bipolar ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect both of the listed here reluctance of conductor None of these resistance of conductor both of the listed here reluctance of conductor None of these resistance of conductor 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 decreases remains the same doubles increases decreases remains the same doubles increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 0.24 N 2.4 N 24 N 240 N 0.24 N 2.4 N 24 N 240 N ANSWER DOWNLOAD EXAMIANS APP
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