An electric bulb marked 40 W - 200 V is used in a circuit of supply voltage 100 V. Now…
Physics · Class 12 · CBSE — Current Electricity
An electric bulb marked 40 W - 200 V is used in a circuit of supply voltage 100 V. Now its power is:
- 100 W
- 40 W
- 20 W
- 10 W
Answer
(D) 10 W
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