The SI unit of electric energy or heat energy is ________.

joule (J)

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Volt (V)

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ampere (A)

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watt (W)

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Solution

The correct option is D joule (J)
SI unit of electric energy or heat energy is Joule (J). One Joule is defined as the amount of energy exerted when a force of one newton is applied over a displacement of one meter. One Joule is equivalent of one watt of power radiated or dissipated for one second.

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Similar questions

Match the following:

Column A Column B

(a) Electric power (i) volt

(b) kWh (ii) joule

(d) Electric energy (iv) watt

(e) watt (v) ampere

(f) Potential difference (vi) electric energy

\begin{matrix} Colum A & Colum B (a) Electric power & (i) Volt (a) kWh & (ii) Joule (c) Electirc current & (iii) Volt \times Ampere (d) Eelctric energy & (iv) Watt (e) Watt & (v) Ampere (f) Potential difference & (vi) Electrical energy \end{matrix}

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