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 100 N 0.1 N 10 N 0.01 N 100 N 0.1 N 10 N 0.01 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux is constant and has same value in energy part of the magnetic field decreases continuously from initial value to final value increases continuously from initial value to final value first increases and then decreases till it becomes zero is constant and has same value in energy part of the magnetic field decreases continuously from initial value to final value increases continuously from initial value to final value first increases and then decreases till it becomes zero 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 24 N 240 N 0.24 N 2.4 N 24 N 240 N 0.24 N 2.4 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 180 90 270 360 180 90 270 360 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 240 At 2.4 At 24 At 2,400 At 240 At 2.4 At 24 At 2,400 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density decreases Core length increases Core area increases Flux density increases Flux density decreases Core length increases Core area increases Flux density increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS