Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density increases Flux density decreases Core area increases Core length increases Flux density increases Flux density decreases Core area increases Core length increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? None of the listed here It starts rotating It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux None of the listed here It starts rotating It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will depend on the amount of e.m.f. applied will be zero will depend on the radius of the circle will be infinite will depend on the amount of e.m.f. applied will be zero will depend on the radius of the circle will be infinite ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Main causes of noisy solenoid are None of these uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force Both of the listed here None of these uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage Increase Is zero None of the listed here Decrease Increase Is zero None of the listed here Decrease ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one Which is a bad conductor Through which the magnetic lines of force can pass very easily Which is a good conductor Which is a strong magnet Which is a bad conductor Through which the magnetic lines of force can pass very easily Which is a good conductor Which is a strong magnet ANSWER DOWNLOAD EXAMIANS APP
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