Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 25 AT/m 2500 AT/m 0.25 AT/m 250 AT/m 25 AT/m 2500 AT/m 0.25 AT/m 250 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a permanent magnetic field varying voltage an electromagnetic field a steady current a permanent magnetic field varying voltage an electromagnetic field a steady current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Transformers Energy meters None of the listed here Loud speakers Transformers Energy meters None of the listed here Loud speakers ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for ferromagnetic substances diamagnetic substances non-magnetic substances None of these ferromagnetic substances diamagnetic substances non-magnetic substances None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Weak magnet Temporary Magnet Permanent magnet None of the listed here Weak magnet Temporary Magnet Permanent magnet None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be None of the listed here Zero BLI2 BLI None of the listed here Zero BLI2 BLI ANSWER DOWNLOAD EXAMIANS APP
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