Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla Lumens None of the listed here Weber Tesla Lumens None of the listed here Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents magnetic field current direction of force on the conductor Voltage magnetic field current direction of force on the conductor Voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of flux in a solenoid ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the number of turns All of the listed here Increasing current supply Increasing the cross-sectional area Increasing the number of turns All of the listed here Increasing current supply Increasing the cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Restore lost flux Provide a closed path for flux Amplify flux Change the direction of magnetic lines Restore lost flux Provide a closed path for flux Amplify flux Change the direction of magnetic lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Permanent magnet Temporary Magnet None of the listed here Weak magnet Permanent magnet Temporary Magnet None of the listed here Weak magnet ANSWER DOWNLOAD EXAMIANS APP