Which of the following expression is correct for electric field strength___________?

Related Mcqs:

1. 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

2. 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

3. When a dielectric is placed in an electric field the field strength____________?

   A. decreases
   B. increases
   C. reduces to zero
   D. remain unchanged

4. If an electrons is allowed to move along the field in a non uniform electric field then it will follow__________________?

   A. Spiral path
   B. Straight line
   C. Curved path
   D. Circular path

5. 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

6. The electric field at a point situated at a distance d from straight charged conductor is____________?

   A. proportional to d
   B. inversely proportional to d
   C. inversely proportional to d
   D. none of the above

7. The direction of electric field due +0 positive charge is ___________?

   A. away from the charge
   B. towards the charge
   C. both A. and (6)
   D. none of the above

8. Energy stored in the electric field of a capacitor C when charged from a D.C source of voltage V is equal to joules_______________?

   A. CV2
   B. C2V
   C. CV2
   D. CV

9. In a non-uniform electric field a polar molecule will experience____________?

   A. Net torque
   B. Net force
   C. both series and parallel combinations
   D. zero

10. An electric field can deflect_______________?

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