Electrical Problems In Physics -Multiple Choice Questions Quiz

Interactive MCQs on “Electrical Problems In Physics”:

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 electric current?

(a) Volt (V)
(b) Ampere (A)
(c) Ohm (Ω)
(d) Watt (W)

Question 2: A circuit has a voltage of 12 volts and a resistance of 4 ohms. What is the current flowing through the circuit?

(a) 3 A
(b) 4 A
(c) 8 A
(d) 48 A

Question 3: What is the equivalent resistance of three 6-ohm resistors connected in parallel?

(a) 2 ohms
(b) 4 ohms
(c) 6 ohms
(d) 18 ohms

Question 4: In a series circuit, if one of the bulbs goes out:

(a) All other bulbs will also go out.
(b) The other bulbs will get brighter.
(c) The other bulbs will stay the same brightness.
(d) The brightness of the other bulbs will decrease.

Question 5: Which of the following materials is a good conductor of electricity?

(a) Rubber
(b) Glass
(c) Copper
(d) Plastic

Question 6: A circuit has three resistors with values of 2 ohms, 4 ohms, and 6 ohms connected in series. What is the total resistance of the circuit?

(a) 2 ohms
(b) 4 ohms
(c) 6 ohms
(d) 12 ohms

Question 7: What is the power consumed by a device with a resistance of 10 ohms when connected to a voltage of 120 volts?

(a) 10 W
(b) 120 W
(c) 1,200 W
(d) 12,000 W

Question 8: A circuit has two resistors with values of 8 ohms and 12 ohms connected in parallel. What is the equivalent resistance of the circuit?

(a) 3 ohms
(b) 5 ohms
(c) 8 ohms
(d) 20 ohms

Question 9: A circuit has a power of 500 watts and a current of 10 amperes. What is the voltage across the circuit?

(a) 50 V
(b) 100 V
(c) 500 V
(d) 5,000 V

Question 10: A 60-watt light bulb is connected to a voltage of 120 volts. What is the resistance of the light bulb?

(a) 2 ohms
(b) 60 ohms
(c) 120 ohms
(d) 180 ohms