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:
A
360 N/C
B
420 N/C
C
480 N/C
D
240 N/C
Text Solution
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The correct Answer is:
B
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