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A long solenoid has 2000 turns. When a current of 2A flows through it, the magnetic flux linked with each turn of the solenoid is Wb. The self-inductance of the solenoid is:
2 H
4 H
6 H
8 H
A solenoid has 500 turns. A current of 8A produces a magnetic flux of Wb through each turn. What is the self-inductance of the solenoid?
0.25 H
0.5 H
1 H
2 H
The self-inductance of a long solenoid with 1000 turns is 0.1 H. If a current of 4 A flows through it, what is the magnetic flux linked with each turn?
4 x 10β»β΄ Wb
4 x 10β»Β³ Wb
4 x 10β»β΅ Wb
4 x 10β»Β² Wb
A coil has a self-inductance of 2 H. When a current of 0.5 A flows through it, the total magnetic flux linked with the coil is:
0.5 Wb
1 Wb
2 Wb
4 Wb
A long solenoid with 2500 turns has a self-inductance of 5 H. If the magnetic flux linked with each turn is Wb, what is the current flowing through the solenoid?
0.2 A
0.4 A
0.8 A
1 A
A rectangular coil of 500 turns and area 20 is rotating about its vertical axis at 5 rad in a uniform horizontal magnetic field of . If the electrical resistance of the coil is 5 , then the maximum induced current in the coil will be:
0.1 A
0.2 A
0.3 A
0.4 A
A square coil of 100 turns and side 0.2 m is rotating about an axis perpendicular to a uniform magnetic field of at 10 rad . If the resistance of the coil is 2 , what is the maximum induced current?
0.1 A
0.2 A
0.05 A
0.4 A
A circular coil with 500 turns and a radius of 0.05 m rotates at 20 rad/s in a uniform magnetic field of T perpendicular to the axis of rotation. If the coil's resistance is 10 , the peak induced current is:
0.025 A
0.05 A
0.0785 A
0.1 A
