1. An electron initially at rest is accelerated through a potential difference of one volt. The energy gained by electron is:

2. A bird sitting on a high power line:

3. Choose the SI unit of electric potential energy :

4. The capacitance of earth, viewed as a spherical conductor of radius 6408 km is:

5. A capacitor is connected to a cell of emf E having some internal resistance r, the potential across the:

6. If a +ve charge is moved from low to high potential region, the electric potential energy:

7. A capacitor is connected across a battery and the plate separation of capacitor is increased without removing the battery, then:

8. Two capacitors of 3 µF and 6 µF are connected in series with a battery of P.d. 12 V. The P.d. across 3µF and 6µF capacitors respectively will be :

9. An electric charge of 425 f µC is removed from a fully charged capacitor of capacitance 8.5µF. Its potential will be lowered by:

10. Minimum number of capacitor of 2µF each required to obtain a capacitance of 5µF will be: