2 kWh = ?
A. 7.2 × 108J
B. 7.2 × 106J
C. 7.2 × 105J
D. 72 × 105J
Answer: Option B
This Question Belongs to Physics GK Chapter Wise >> Unit And Measurement
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Related Questions on Unit and Measurement
Newton is SI unit of . . . . . . . .?
A. Weight and Velocity
B. Weight and Force
C. Weight and Mass
D. Weight and Acceleration
A. cannot be measured
B. can be expressed in the form of law
C. can be represented completely by its magnitude and unit
D. Both B and C
A. a-2, b-3, c-1, d-4
B. a-2, b-3, c-4, d-1
C. a-1, b-3, c-4, d-2
D. a-4, b-3, c-2, d-1
1 hr = 3600 seconds, 1 Kilo watt = 1000 Watt
So, 2 kWh = 3600000 × 2 = 7200000 Joule = 7.2 × 106 J.