Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage remains constant increases decreases reaches zero remains constant increases decreases reaches zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla None of the listed here Lumens Weber Tesla None of the listed here Lumens Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It assures a position right angle to magnetic field It starts rotating It assures a position which follows a line of magnetic flux None of the listed here It assures a position right angle to magnetic field It starts rotating It assures a position which follows a line of magnetic flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Decreases with increasing cross sectional area of material Any of the listed here Does not vary with increasing cross-sectional area of material Increases with increasing cross-sec-tional area of material Decreases with increasing cross sectional area of material Any of the listed here Does not vary with increasing cross-sectional area of material Increases with increasing cross-sec-tional area of material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The voltage across the two ends of exciting coil The flow of an electric current The sum of all currents embraced by one line of magnetic field The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The flow of an electric current The sum of all currents embraced by one line of magnetic field The passage of magnetic field through an exciting coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid ANSWER DOWNLOAD EXAMIANS APP
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