Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a permanent magnetic field a steady current varying voltage an electromagnetic field a permanent magnetic field a steady current varying voltage an electromagnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Coulomb Joule Ampere Ampere-hour Coulomb Joule Ampere Ampere-hour 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? 16 AT 4 AT 10 AT 8 AT 16 AT 4 AT 10 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has low permeability it has high specific gravity it has high permeability it corrodes easily it has low permeability it has high specific gravity it has high permeability it corrodes easily ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 16 mA 120 mA 12 mA 1.7 mA 16 mA 120 mA 12 mA 1.7 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Permanance Pole strength Reluctance Resistance Permanance Pole strength Reluctance Resistance ANSWER DOWNLOAD EXAMIANS APP