मराठी

A heater draws a current of 5A at 220 V for 2 minutes. The energy released by heater in kilojoules is:

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प्रश्न

A heater draws a current of 5A at 220 V for 2 minutes. The energy released by heater in kilojoules is:

पर्याय

  • 132 kJ

  • 66 kJ

  • 99 kJ

  • 33 kJ

MCQ
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उत्तर

132 kJ

Explanation:

t = 2 × 60 = 120 s

W = V × I × t

= 220 × 5 × 120

= 132000 J

= 132 kJ

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Electric Energy, Power and Household Circuits - EXERCISE-1 [पृष्ठ १७८]

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गोयल ब्रदर्स प्रकाशन A New Approach to ICSE Physics [English] Class 10
पाठ 8 Electric Energy, Power and Household Circuits
EXERCISE-1 | Q 12. | पृष्ठ १७८
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