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 Be excessive Increase Remain Constant Decrease Be excessive Increase Remain Constant Decrease ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents direction of force on the conductor magnetic field Voltage current direction of force on the conductor magnetic field Voltage current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in None of the listed here Loud speakers Transformers Energy meters None of the listed here Loud speakers Transformers Energy meters ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferromagnetic materials Ferrites Paramagnetic materials Diamagnetic materials Ferromagnetic materials Ferrites Paramagnetic materials Diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of either of these orbital motion of electrons spin of nucleus spin of electrons either of these orbital motion of electrons spin of nucleus spin of electrons ANSWER DOWNLOAD EXAMIANS APP
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