Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It starts rotating It assures a position which follows a line of magnetic flux It assures a position right angle to magnetic field None of the listed here It starts rotating It assures a position which follows a line of magnetic flux It assures a position right angle to magnetic field None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage decreases remains constant increases reaches zero decreases remains constant increases reaches zero 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 Temporary magnets are used in Loud speakers Motors All of the listed here Generators Loud speakers Motors All of the listed here Generators ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage decreases reverses polarity remains unchanged increases decreases reverses polarity remains unchanged increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents current magnetic field direction of force on the conductor Voltage current magnetic field direction of force on the conductor Voltage ANSWER DOWNLOAD EXAMIANS APP
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