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Electric Cells

question 1 of 1 Grade: Twelve - G12

Q: Name a device that stores chemical energy and produces electricity.

Did You Know?

TRUE. This is one of the Pythagorean identities derived from dividing \(\sin^2 \theta + \cos^2 \theta = 1\) by \(\cos^2 \theta\). It holds for all θ except where \(\cos \theta = 0\) (where tan θ and sec θ are undefined).

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Did You Know?

TRUE. This is one of the Pythagorean identities derived from dividing \(\sin^2 \theta + \cos^2 \theta = 1\) by \(\cos^2 \theta\). It holds for all θ except where \(\cos \theta = 0\) (where tan θ and sec θ are undefined).

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