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An electric refrigerator rated 500 W operates 10 hr per day. What is the cost of the energy to operate it for 30 days at Rs. 4.00 per kWh?​
  • a)
    Rs. 600
  • b)
    Rs. 400
  • c)
    Rs. 500
  • d)
    Rs. 800
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
An electric refrigerator rated 500 W operates 10 hr per day. What is t...
E = P × t = 0.5 × 10 × 30 = 150 kWh
Cost of energy = 150 × 4 = Rs. 600
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An electric refrigerator rated 500 W operates 10 hr per day. What is t...
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An electric refrigerator rated 500 W operates 10 hr per day. What is t...
A) 600500w/10000.5kwtime=10×30hours=300hE=p×tE=0.5×300150cost of 1kwh of electricity=Rs.4.00so, 4.00×150=600
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An electric refrigerator rated 500 W operates 10 hr per day. What is the cost of the energy to operate it for 30 days at Rs. 4.00 per kWh?​a)Rs. 600b)Rs. 400c)Rs. 500d)Rs. 800Correct answer is option 'A'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about An electric refrigerator rated 500 W operates 10 hr per day. What is the cost of the energy to operate it for 30 days at Rs. 4.00 per kWh?​a)Rs. 600b)Rs. 400c)Rs. 500d)Rs. 800Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An electric refrigerator rated 500 W operates 10 hr per day. What is the cost of the energy to operate it for 30 days at Rs. 4.00 per kWh?​a)Rs. 600b)Rs. 400c)Rs. 500d)Rs. 800Correct answer is option 'A'. Can you explain this answer?.
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