Which of the following is the correct order of energy changes in the above circuit?

$M e c h a n i c a l e n e r g y \to T h e r m a l e n e r g y \to C h e m i c a l e n e r g y$

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$C h e m i c a l e n e r g y \to E l e c t r i c a l e n e r g y \to L i g h t e n e r g y$

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$E l e c t r i c a l e n e r g y \to C h e m i c a l e n e r g y \to L i g h t e n e r g y$

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$C h e m i c a l e n e r g y \to H e a t e n e r g y \to L i g h t e n e r g y$

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Solution

The correct option is B
$C h e m i c a l e n e r g y \to E l e c t r i c a l e n e r g y \to L i g h t e n e r g y$

A battery consists of chemicals that contain chemical energy. When it is connected to a circuit, the chemicals inside the battery combine with each other and undergo a chemical change. This chemical change converts the chemical energy to electrical energy. Further, this electrical energy passes through the bulb and converts to light and heat energy.

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