1. Which of the following is not a vector?

2. Which capacitor will be physically smaller for the same-ratings?

3. Which of the following capacitor is preferred  incase of single phase motor?

4. A capacitor stores 0.24 coulombs at 10volts .Its capacitance is

5. The breakdown voltage for paper capacitors is usually

6. The electric field intensity at a point situated 4 meters from a point charge is 200N/C.If the distance is reduced to 2 meters,the field intensity will be

7. The number of Faraday tubes of flux passing through a surface in an electric field is called

8. The capacity of capacitor bank used in power factor correction is expressed in terms of

9. A single core cable used on 33000V has conductor diameter 10mm and the internal diameter of sheath 25mm. The maximum electrostatic stress in the cable  is

10. A dielectric material must be

11. What is the value of capacitance that must be connected in parallel with 50pF condenser to make an equivalent capacitance of150 pF?

12. A capacitance of 100fiF is connected in series with a resistance of 8000£2. The time constant of  the circuit is

13. Dielectric constant for mica is nearly

14. A unit tube of flux is known as tube

15. The relative permittivity has the following units