Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is an electromagnetic field a steady current a permanent magnetic field varying voltage an electromagnetic field a steady current a permanent magnetic field varying voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is proportional to X proportional to distance between the conductors inversely proportional to I proportional to 7 proportional to X proportional to distance between the conductors inversely proportional to I proportional to 7 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 Be excessive Increase Remain Constant Decrease Be excessive Increase Remain Constant Decrease ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have High susceptibility 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Current in one conductor Radius of conductor Distance between the conductors Product of current in two conductors Current in one conductor Radius of conductor Distance between the conductors Product of current in two conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The voltage across the two ends of exciting coil The passage of magnetic field through an exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current The voltage across the two ends of exciting coil The passage of magnetic field through an exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current ANSWER DOWNLOAD EXAMIANS APP
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