मराठी

Express 20 Wh of energy in S.I. units.

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प्रश्न

Express 20 Wh of energy in S.I. units.

संख्यात्मक
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उत्तर

The SI unit of energy is the joule (J).

Since $$1\text{ Wh} = 1\text{ W} \times 1\text{ h} = 3600\text{ J}$$

$$20\text{ Wh} = 20 \times 3600 = 72000\text{ J} = 7.2 \times 10^{4}\text{ J}$$

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पाठ 8: Electric Energy, Power and Household Circuits - EXERCISE-1 [पृष्ठ १७७]

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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 2. (c) | पृष्ठ १७७
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