# Express the power of a 100 watt bulb in CGS unit

Question:

Express the power of a 100 watt bulb in CGS unit

Solution:

1 watt $=1$ Joule $/ \mathrm{sec}=10^{7} \mathrm{erg} / \mathrm{sec}$

So, 100 watt $=10^{9} \mathrm{erg} / \mathrm{sec}$.

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