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