A 100 W bulb produces an electric field ...

A 100 W bulb produces an electric field of 2.9 V/m at a point 3m away. If the bulb is replaced by 400 W bulb without disturbing other conditions. Then the electric field produced at the same point is

a. 2.9 V/m

3.5 V/m

c. 5V/m

d. 5.8 V/m

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