Vivek Kohli
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Poll

The heat produced by 100 W heater in 2 ntinutes is equal to

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Poll Results

0%(a) 10.5 kJ
0%(b) 16.3 kJ
50%(c) 12.0 kJ ( 1 voter )
50%(d) 14.2 kJ ( 1 voter )
Based On 2 Votes

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The heat produced by a heater is given by the formula:

Q = P × t
where:
P = 100W,t = 2 minutes = 2 × 60 = 120 seconds
Q = 100 × 120 =12,000 J = 12.0 kJ
Answer: (c) 12.0 kJ.
Class 12th Science Physics NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.

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1 Answer

  1. Heat produced is given by Q = P × t. Gives P = 100W and t = 2minutes = 120s, we get:
    Q = 100 × 120 = 12000J = 12.0KJ
    Answer: (c) 12.0 kJ.

    For more visit here:
    https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-3/

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