Electric force between two point charges in air or vacuum is F. If we replace air or vacuum by an insulator (dielectric) of relative permitivity Cr the force between the charges will_______________?

Related Mcqs:

If three 10 uF capacitors are connected in parallel, the net cararitance is___________?

A. 20 uF B. 30 uE C. 40 uF D. 50 uF...

at a point may be defined as equal to the lines of force passing normally through a unit cross section at that point ?

A. Electric intensity B. Magnetic flux density C. Electric flux D. None of the above...

One volt is the same as___________?

A. one joule/coulomb B. one coulomb/joule C. one coulomb D. one joule...

For closer tolerances which of the following capacitors is usually preferred ?

A. Paper capacitor B. Mica capacitor C. Ceramic disc capacitor D. None of the above...

Photocopier and inject printer are dealt in________________?

A. Electrostatics B. Charges in motion C. Capacitors D. Electric fields...