Olympiad Test: Electricity And Circuits - 1


20 Questions MCQ Test Science Olympiad Class 6 | Olympiad Test: Electricity And Circuits - 1


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Attempt Olympiad Test: Electricity And Circuits - 1 | 20 questions in 40 minutes | Mock test for Class 6 preparation | Free important questions MCQ to study Science Olympiad Class 6 for Class 6 Exam | Download free PDF with solutions
QUESTION: 1

Moving an electron within an electric field would change the ___________the electron.

Solution:

When a force is required to move an electron in the direction of an electric field, its electrical potential energy increases. On the other hand, an electron moving opposite the direction of the electric field will decrease its electrical potential energy.

QUESTION: 2

Which one of the following statements is false?

Solution:
QUESTION: 3

The diagram below shows an open circuit.

When the circuit is closed, the light bulb does not light up at all.

Q. What could be the possible reasons?
1. The light bulb has fused.
2. Object S is a plastic ruler.
3. The batteries are too strong.
4. Object S is an insulator of electricity.
5. The arrangement of batteries is correct.

Solution:
QUESTION: 4

Which of the following does not belong to the group formed by the others?

Solution:

A ceramic is an inorganic non-metallic solid made up of either metal or nonmetal compounds that have been shaped and then hardened by heating to high temperatures. In general, they are hard, corrosion-resistant and brittle.

QUESTION: 5

The filament of a bulb is usually a:

Solution:
QUESTION: 6

The main function of a switch is to:

Solution:
QUESTION: 7

Look at the following circuit and read the following paragraph carefully.

All parts are connected one after another. Electrons flow from the negative side of the battery around in a loop to the positive side.

Q. Which of the following statement is related to the circuit described in the paragraph above?

Solution:
QUESTION: 8

If a light bulb is missing or broken in a parallel circuit, will the other bulb light? Explain.

Solution:
QUESTION: 9

Voltage _________ an electrical circuit.

Solution:
QUESTION: 10

If a battery provides a high voltage, it can __________.

Solution:
QUESTION: 11

Direction: Alisha has a mobile phone. Energy is stored in the battery of the phone. The diagram below shows the battery being charged.

Q. The main energy conversion in the battery as it is being charged?

Solution:
QUESTION: 12

Direction: Alisha has a mobile phone. Energy is stored in the battery of the phone. The diagram below shows the battery being charged.

Q. When the phone is fully charged, Alisha unplugs the battery charger from the phone. State the energy conversion when the mobile phone rings.

Solution:

 

QUESTION: 13

Use the following diagram

Q. What supplies energy in an electric circuit?

Solution:
QUESTION: 14

Use the following diagram

Q. Which material is a conductor?

Solution:
QUESTION: 15

Which of these could be used as a resistor in a circuit?

Solution:
QUESTION: 16

Which statement is not correct about current electricity?

Solution:
QUESTION: 17

In domestic wiring in India, the neutral wire has which of the following colors?

Solution:
QUESTION: 18

In a circuit having one bulb, another bulb is added. The new bulb will:

Solution:
QUESTION: 19

Study the circuit diagram below. The bulbs are labelled A, B, C and D. The switches are labeled 1, 2, 3 and 4. Use the diagram to solve question:

Q. Which two switches should be closed so that only bulbs B and C would light up?

Solution:
QUESTION: 20

Study the circuit diagram below. The bulbs are labelled A, B, C and D. The switches are labeled 1, 2, 3 and 4. Use the diagram to solve question:

Q. Which bulb(s) will remain lit if bulb D fuses and all the switches are closed?

Solution:
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