Internal Resistance Problems In Physics -Multiple Choice Questions Quiz

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Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is internal resistance in an electrical circuit?

(a) Resistance offered by the external components
(b) Resistance due to the conductor material
(c) Resistance due to the battery's chemical processes
(d) Resistance due to the magnetic field

Question 2: A 12V battery with an internal resistance of 2 ohms is connected to a load of 4 ohms. What is the current flowing through the circuit?

(a) 1A
(b) 2A
(c) 3A
(d) 4A

Question 3: A cell has an emf of 1.5V and an internal resistance of 0.5 ohms. What will be the terminal voltage of the cell when connected to a load of 2 ohms?

(a) 0.5V
(b) 1.0V
(c) 1.2V
(d) 1.5V

Question 4: Which of the following statements is true regarding the internal resistance of a battery?

(a) Internal resistance decreases as the battery discharges.
(b) Internal resistance increases as the battery discharges.
(c) Internal resistance is constant regardless of the battery's state of charge.
(d) Internal resistance depends on the ambient temperature.

Question 5: A cell has an emf of 2V and an internal resistance of 1 ohm. If the cell delivers a current of 1A to an external circuit, what is the terminal voltage of the cell?

(a) 1V
(b) 1.5V
(c) 2V
(d) 3V

Question 6: A battery with an internal resistance of 3 ohms is connected to a resistor of 8 ohms. If the current flowing through the circuit is 2A, what is the emf of the battery?

(a) 8V
(b) 11V
(c) 14V
(d) 16V

Question 7: A battery with an emf of 9V supplies a current of 3A to a load. If the terminal voltage of the battery is measured to be 8V, what is the internal resistance of the battery?

(a) 1 ohm
(b) 2 ohms
(c) 3 ohms
(d) 4 ohms

Question 8: A cell has an emf of 1.8V and an internal resistance of 0.2 ohms. If it is connected to a load of 10 ohms, what will be the current flowing through the circuit?

(a) 0.2A
(b) 0.18A
(c) 0.16A
(d) 0.14A

Question 9: A battery with an emf of 12V and an internal resistance of 1.5 ohms is connected to a resistor of 4 ohms. What is the terminal voltage of the battery when a current of 2A flows through the circuit?

(a) 9V
(b) 10V
(c) 11V
(d) 12V

Question 10: Which of the following statements is true about the effect of internal resistance on a battery's performance?

(a) Higher internal resistance results in higher terminal voltage.
(b) Higher internal resistance results in higher emf.
(c) Higher internal resistance reduces the battery's ability to deliver current.
(d) Internal resistance has no effect on the battery's performance.