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Home» class 9»Science» Chapter 10: Work and Energy

A battery lights a bulb. Describe the energy changes involved ... - Science

Question

A battery lights a bulb. Describe the energy changes involved in the process.

Answer

The energy changes involved in the process are:

  1. Chemical Energy is converted into Electrical Energy within the battery.

  2. Electrical Energy is then converted into Light Energy and Heat Energy by the bulb.

Sequence:
Chemical Energy \rightarrow Electrical Energy \rightarrow Light Energy + Heat Energy