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 Remain Constant Increase Decrease Be excessive Remain Constant Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path higher little zero lower higher little zero lower ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 10 N 0.01 N 100 N 0.1 N 10 N 0.01 N 100 N 0.1 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a steady current an electromagnetic field varying voltage a permanent magnetic field a steady current an electromagnetic field varying voltage a permanent magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by All of the listed here Hammering Heating By inductive action of another magnet All of the listed here Hammering Heating By inductive action of another magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Increases with increasing cross-sec-tional area of material Does not vary with increasing cross-sectional area of material Decreases with increasing cross sectional area of material Any of the listed here Increases with increasing cross-sec-tional area of material Does not vary with increasing cross-sectional area of material Decreases with increasing cross sectional area of material Any of the listed here ANSWER DOWNLOAD EXAMIANS APP