Physics Practice: Electromagnetism (Mock Test 1 - Fundamentals)
1. The magnetic field lines around a straight current-carrying conductor are in the form of:
2. Which rule is used to find the direction of magnetic field lines around a straight current-carrying conductor?
3. A soft iron core is used in an electromagnet because it:
4. The force experienced by a current-carrying conductor in a magnetic field is maximum when the angle between them is:
5. Fleming's Left Hand Rule is used to find the direction of:
6. The phenomenon of producing an induced e.m.f. in a closed circuit due to change in magnetic flux is:
7. Lenz's Law is a consequence of the law of conservation of:
8. A transformer works on the principle of:
9. In a Step-up transformer:
10. DC Motor converts ________ energy into ________ energy.
