MCQ Chapter Electricity Class 10 Question 37. What is the commercial unit of electrical energy?
A. Joules
B. Kilojoules
C. Kilowatt-hour
D. Watt-hour
Answer:C
MCQ Chapter Electricity Class 10 Question 37. What is the commercial unit of electrical energy?
A. Joules B. Kilojoules C. Kilowatt-hour D. Watt-hour