A combination of capacitors is set up as shown in the figure. The magnitude of the
Channel: Doubtnut
Date: 2020-07-05

A combination of capacitors is set up as shown in the figure. The magnitude of the electric field, due to a point charge Q (having a charge equal to the sum of the charges on the `4 mu F` and `9 mu F` capacitors),  at a point distance 30 m from it, would equal: