A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will

V

Vinay Kumar • 8.55K Points
Tutor III

Q. A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will

(A) decrease

(B) increase

(C) remain same

(D) heater will burn out

Correct : Option (B)

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