Physics, asked by asraramin, 8 months ago

A 40 watt bulb is connected to a series with room heater. If now 40W bulb is replaced by 100W bulb, then the heater output will increase or decrease?

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Answered by jurimahanta

Answer: Yes ,heater output is decrease. because the resistance of 40 w bulb is more compare to 100 w bulb (As per formula P = V^2/ R) , so that current is less in 40 w bulb.

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A 40 watt bulb is connected to a series with room heater. If now 40W bulb is replaced by 100W bulb, then the heater output will increase or decrease?​

Answers

A 40 watt bulb is connected to a series with room heater. If now 40W bulb is replaced by 100W bulb, then the heater output will increase or decrease?