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Question 40Asked in BPSC TRE 3.0 (2024) Computer Science Class 11-12 + 18 more papers

An electric heater of resistance 8 Ω draws 15 A current from a service mains for 2 hours. What will be the rate at which heat is developed in the heater?

  1. A220 watt
  2. B120 watt
  3. C210 watt
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (E) None of the above

Explanation

Power P = I²R = 15² × 8 = 1800 W, which is not among the options.

From BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper

This is question 40 of BPSC TRE 3.0 (2024) Computer Science Class 11-12 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.

Asked in 19 papers