1.
The strength of magnetic field inside a long current-carrying straight solenoid is
2.
In a long straight solenoid, N-and S-pole are created at the two ends of the solenoid. Which of the following statements is incorrect?
3.
To convert AC generator to DC generator
4.
Which of the following correctly describes the magnetic field near a long straight wire?
5.
Choose the incorrect statement.
6.
Commercial electric motors do not use
7.
Choose the incorrect statement from the following regarding magnetic lines of field.
8.
The most important safety device method used for protecting electrical appliances from short circuiting or overloading is
9.
Which of the property a proton can change when it moves freely in a magnetic field?
10.
Choose the correct option: The magnetic field inside a long straight solenoid carrying current is: