A student connected a battery and a fixed resistor in an electric circuit. Now, he wants to regulate the current flowing through the circuit without changing the source voltage. How can he achieve this?

Question

Physics · Current Electricity

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

By introducing a rheostat into the circuit

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Answer 1

By altering the ambient temperature

Answer 2

By adding another identical fixed resistor in series

Answer 3

By removing the fixed resistor completely

Answer 4

By introducing a rheostat into the circuit

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