An electric bulb rated $50 \mathrm{~W}-200 \mathrm{~V}$ is connected across a $100 \mathrm{~V}$ supply. The power dissipation of the bulb is :
  • A$12.5 \mathrm{~W}$
  • B$25 \mathrm{~W}$
  • C$50 \mathrm{~W}$
  • D$100 \mathrm{~W}$
JEE MAIN 2024, Diffcult
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