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 24 N 240 N 2.4 N 0.24 N 24 N 240 N 2.4 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path lower higher little zero lower higher little zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have Low coercivity None of the listed here Both low coercivity and high susceptibility High susceptibility Low coercivity None of the listed here Both low coercivity and high susceptibility High susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Demagnetising metallic parts Removal of magnetic impurities Removing gases from the materials Remagnetising metallic parts Demagnetising metallic parts Removal of magnetic impurities Removing gases from the materials Remagnetising metallic parts 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 Decrease Increase Be excessive Remain Constant Decrease Increase Be excessive Remain Constant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Polarity of a magnetic pole Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Polarity of a magnetic pole ANSWER DOWNLOAD EXAMIANS APP
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