Electrical Current -Multiple Choice Questions Quiz

Interactive MCQs on “Electrical Current”:

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 the SI unit of electrical current?

(a) Joule (J)
(b) Volt (V)
(c) Ampere (A)
(d) Ohm (Ω)

Question 2: The flow of electrons in a closed circuit is known as:

(a) Voltage
(b) Current
(c) Resistance
(d) Power

Question 3: The direction of conventional current flow is from:

(a) Positive to negative
(b) Negative to positive
(c) North to south
(d) South to north

Question 4: In which type of circuit does the current have only one path to flow?

(a) Series circuit
(b) Parallel circuit
(c) Combination circuit
(d) Open circuit

Question 5: What is the total current in a series circuit with three resistors: R1, R2, and R3, when connected to a voltage source?

(a) Equal to the current through R1
(b) Equal to the sum of the currents through R1, R2, and R3
(c) Equal to the voltage of the source
(d) Equal to the sum of the voltages across R1, R2, and R3

Question 6: In which type of circuit does the current split into multiple paths, passing through different branches?

(a) Series circuit
(b) Parallel circuit
(c) Combination circuit
(d) Open circuit

Question 7: What is the relationship between resistance and current in an electrical circuit?

(a) As resistance increases, current decreases.
(b) As resistance increases, current increases.
(c) Resistance and current are independent of each other.
(d) Resistance and current are directly proportional.

Question 8: When the voltage across a resistor is halved, how does it affect the current passing through the resistor?

(a) The current is halved.
(b) The current doubles.
(c) The current remains unchanged.
(d) The current becomes zero.

Question 9: Which material property affects the flow of electrical current through a conductor?

(a) Temperature
(b) Length of the conductor
(c) Area of the conductor
(d) All of the above

Question 10: What happens to the electrical current in an open circuit?

(a) It increases indefinitely.
(b) It decreases indefinitely.
(c) It flows normally without any change.
(d) It becomes zero.