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JEE-MAIN 2021
26-08-2021 S2
Question
An electric bulb of 500 watt at 100 volt is used in a circuit having a 200 V supply. Calculate the resistance R to be connected in series with the bulb so that the power delivered by the bulb is 500 W.
Select the correct option:
A
$20 \Omega$
B
$30 \Omega$
C
$5 \Omega$
D
$10 \Omega$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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