Magnetism and Electromagnetism A keeper is used to Change the direction of magnetic lines 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is None of the listed here Its dimensionless Hennry Hennry/meter None of the listed here Its dimensionless Hennry Hennry/meter ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a downward force no force a force of attraction a force of repulsion a downward force no force a force of attraction a force of repulsion ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 6,000 T 600 T 6 T 600 T 6,000 T 600 T 6 T 600 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is an electromagnetic field a steady current varying voltage a permanent magnetic field an electromagnetic field a steady current varying voltage a permanent magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 4 AT 10 AT 8 AT 16 AT 4 AT 10 AT 8 AT 16 AT ANSWER DOWNLOAD EXAMIANS APP
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