Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. None of the listed here Hardened steel Soft iron Stainless steel None of the listed here Hardened steel Soft iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the direction of the magnetic field reverses direction of the magnetic field remains unchanged magnetic field collapses magnetic field expands direction of the magnetic field reverses direction of the magnetic field remains unchanged magnetic field collapses magnetic field expands ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Restore lost flux Amplify flux Provide a closed path for flux Change the direction of magnetic lines Restore lost flux Amplify flux Provide a closed path for flux Change the direction of magnetic lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in Motors Loud speakers Generators All of the listed here Motors Loud speakers Generators All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Brass Aluminium Soft iron Copper Brass Aluminium Soft iron Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a permanent magnetic field an electromagnetic field varying voltage a steady current a permanent magnetic field an electromagnetic field varying voltage a steady current ANSWER DOWNLOAD EXAMIANS APP
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