Electric intensity being a vector quantity always points_______________?

Related Mcqs:

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

   A. 400 N/C
   B. 600 N/C
   C. 800 N/C
   D. 1200 N/C

2. Electric intensity at any point in an electric field is equal to the at that point?

   A. electric flux
   B. magnetic flux density
   C. potential gradient
   D. none of the above

3. Electric intensity at infinite distance from the point charge is_____________?

   A. zero
   B. infinite
   C. positive
   D. negative

4. Which one of the following can be taken as the measure of electric intensity ?

   A. F/A
   B. V/A
   C. VF/A
   D. q/VA

5. Electric field intensity is a quantity_____________?

   A. scalar
   B. vector
   C. both A. and (6)
   D. none of the above

6. The electric charge of 100 °C is 13cm apart from another charge 16.9°C electric force between them is_____________?

   A. 9x107N
   B. 900N
   C. 9x105N
   D. 9x106N

7. Which of the following is not a vector ___________?

   A. Linear momentum
   B. Angular momentum
   C. Electric field
   D. Electric potential

8. The power output of an audio system is 18 W. For a person to notice an increase in the output (loudness or sound intensity) of the system, what must the output power be increased to ?

   A. 2 W
   B. 6 W
   C. 68 W
   D. None of the above

9. An electric charge at rest produces_______________?

   A. only a magnetic field
   B. only an electric field
   C. neither electric field nor magnetic field
   D. both electric and magnetic fields

10. An electric field can deflect_______________?

    A. Neutrons
    B. X-rays
    C. Both glass rod and silk acquire a negative charge
    D. None