Sources of Electric Current Quiz - CBSE Class 6 Science

Free practice quiz: Sources of Electric Current (CBSE Class 6 Science). 20 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 6 Science practice quiz has 20 multiple-choice questions on Sources of Electric Current, and 20 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Which of the following is a natural source of electric current?

   1. Solar energy
   2. Battery
   3. Electromagnet
   4. Bulb
   Show answer

   Answer: A. Solar energy

   Solar energy can be converted into electric current using solar panels, making it a natural source.

2. How does a generator produce electricity?

   1. By using a battery
   2. By spinning a coil in a magnetic field
   3. By burning fuel
   4. By using solar panels
   Show answer

   Answer: B. By spinning a coil in a magnetic field

   A generator produces electricity by converting mechanical energy into electrical energy through electromagnetic induction.

3. If you were to calculate the total energy produced by a solar panel, what factors would you need to consider?

   1. Size, sunlight, and type of panel
   2. Weight and height
   3. Color and shape
   4. Distance to the sun
   Show answer

   Answer: A. Size, sunlight, and type of panel

   The energy output of a solar panel depends on its size, the amount of sunlight it receives, and the efficiency of the type of panel used.

4. If an electric circuit has a 12-volt battery and a total resistance of 4 ohms, what is the electric current flowing through the circuit?

   1. 3 Amperes
   2. 4 Amperes
   3. 12 Amperes
   4. 48 Amperes
   Show answer

   Answer: A. 3 Amperes

   Using Ohm's Law (I = V/R), the current I is calculated as 12 volts / 4 ohms = 3 Amperes.

5. If a parallel circuit has two branches with resistors of 4 ohms and 6 ohms, what is the equivalent resistance?

   1. 2.4 ohms
   2. 10 ohms
   3. 24 ohms
   4. 12 ohms
   Show answer

   Answer: A. 2.4 ohms

   The formula for equivalent resistance in parallel is 1/R_total = 1/R1 + 1/R2, so 1/R_total = 1/4 + 1/6 can be solved to get R_total = 2.4 ohms.

More questions in this quiz

Answers and explanations are in the full quiz.

1. What device converts chemical energy into electrical energy?
2. What is one advantage of solar energy?
3. Which of the following can be classified as a non-renewable source of electric current?
4. What type of energy do wind turbines use to generate electricity?
5. What is the main component of a solar cell?
6. Which of the following is not a source of electric current?
7. A certain battery can provide 9 volts of electric potential. How many batteries would you need to achieve 36 volts?
8. What happens to the electric current if the resistance in a circuit increases?
9. In a series circuit, what happens to the total resistance when more resistors are added?
10. Which of the following setups would produce the highest current?
11. In a parallel circuit, how does the voltage compare across each component?
12. A circuit consists of three resistors in series: 2 ohms, 3 ohms, and 5 ohms. What is the total resistance?
13. If you have a circuit that draws a current of 5 Amperes at a voltage of 120 volts, what is the total resistance in the circuit?
14. If a current of 10 A flows through a circuit with a voltage of 220 V, what would happen if the voltage is doubled?
15. A circuit is designed with a power source providing 24 volts and a total resistance of 6 ohms. How much power is consumed by the circuit?

More quizzes

• Understanding Electric Current▶ Play
• Conductors and Insulators▶ Play

Browse all Current Electricity quizzes

More to play