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1.
A.C generator works on the principle of
2.
A magnet is moved towards a coil (i) quickly (ii) slowly. The induced potential difference
3.
We can induce the current in a coil by
4.
The instrument that use to defect electric current in the circuit is known as
5.
The condition for the praenomen of electromagnetic induction is that there must be a relative motion between
6.
In electric motor, to make the coil rotating continuously in the same direction, current is reversed in the coil after every half rotation by a device called
7.
Direction of rotation of a coil in electric motor is determined by
8.
Which of the following factors affect the strength of force experience by a current carrying conduct in a uniform magnetic field?
9.
A positive charge is moving upwards in a magnetic field directed towards north. The particle will be deflected towards
10.
When current is parallel to magnetic field, then force experience by the current carrying conductor placed in uniform magnetic field is