What is the role of the chemical energy of a cell in an electric circuit?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) It moves electrons directly along the wire
2. (B) It changes the resistance of the circuit
3. (C) It measures the flow of current
4. (D) It creates and maintains the potential difference

Verified Answer

Option (D): It creates and maintains the potential difference

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