As per Coulomb's law, the force of attraction or repulsion between two point charges is directly proportional to the

To relieve the discomfort of allergy sufferers in homes, we use

A. vacuum cleaner

B. electrostatic air cleaner

C. wind cleaner

D. none of above

Coulomb's law is only true for point charges whose sizes are

A. medium

B. very large

C. very small

D. large

If F is the force acting on the test charge qo, the electric field intensity E would be given by

A. E = F - q₀

B. E = F/q₀

C. E = F + q₀

D. E = q₀/F

The ability of a capacitor to store charge depends upon

A. area of plates

B. distance between plates

C. type of dielectric used

D. all of above

In the combination of capacitors in series, the capacitors are connected

A. parallel

B. side by side

C. up and down

D. none of above