allery1 kWh equals how many joules?
- 3.6 × 10⁻⁸
- 3.6 × 10⁶
- 3.6 × 10⁻⁶
- 3.6 × 10⁵
Show answer and solution
Correct answer: B. 3.6 × 10⁶
1. 1 kWh = 1000 W × 3600 s.
2. = 1000 × 3600 = 3,600,000 J.
3. = 3.6 × 10⁶ J.
_Source: RRB Group D CEN-02/2018 PYQ, Q.87._
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