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What happens to the current in a circuit if a 10Ω resistor is removed and replaced by a 20Ω resistor? (voltage stays the same)

Current will increase

Current will not travel through the circuit

Current will stay the same

Current will decrease

Respuesta :

If a 10Ω resistor is removed and replaced by a 20Ω resistor, at constant voltage, the current will decrease.

Ohms law

This law states that, the current flowing in a conductor is directly proportional to the voltage in the conductor.

V = IR

where;

  • V is the voltage of the conductot
  • I is the current
  • R is the resistance

I = V/R

At constant voltage, when the value of the resistance increases, the value of the current in the ciircuit wil decrease.

Thus, if a 10Ω resistor is removed and replaced by a 20Ω resistor, at constant voltage, the current will decrease.

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