1. When current passes through straight conductor it produce magnetic field in the form of______.

2. ______ is a study of magnetic effects of current.

3. Direction of magnetic lines of force in straight conductor is found by_____.

4. Magnetic lines of force in solenoid are____.

5. Shape of magnetic lines if force in straight conductor are_____.

6. The value of induced emf is directly proportional to the rate of change of____.

7. A device which is used to convert electrical energy into mechanical energy_____.

8. Who found the direction of induced e.m.f first time_____.

9. Type of transformer which is used to increase the value of alternating voltage_____.

10. Voltage of current supplied to consumers is______.