# Open and Closed Circuits MCQ

open and Closed Circuits MCQ

1.Electrical lights will not come on unless their electrical circuit is a —

• parallel circuit
• series circuit
• closed circuit
• short circuit

2. A circuit in which energy can freely flow.

• Closed Circuit
• Free Circuit
• Open Circuit
• Energy Circuit

3. A continuous path of conductors that allows electricity to pass through easily is called a(n)…

• Closed circuit
• Double circuit
• Open circuit
• Electric current

4. . Which parts are needed to complete a simple circuit lighting a lightbulb?

• wire, battery, lightbulb
• wire, buzzer, lightbulb
• battery, buzzer, wire,
• wire, switch lightbulb

5. Electricity is the flow of _________.

• Protons
• Neutrons
• Electrons

6. Current is referred to as:

• flow of electricity
• circuits
• flow of electrons
• batteries

7. An open circuit is defined as

• discontinuous
• broken path
• current will not flow
• all of them

8. ………… is an electric device which easily closes or open circuit.

• filament
• electric bulb
• electric switch
• electic cell

9. A Material which allows electricity to pass through it is ………..

• conductor
• insulator
• transistor
• none of these

10. Which of the following is a defined quantity?

• Pressure
• Polarity
• Money
• Length

11. Which of the following is a correct relation?

• Giga>Mega>Tera
• Mega>Tera>Giga
• Tera>Mega>Giga
• Tera>Giga>Mega

12. If charge q = 3t2 + 2 then current is given by

• 6t + 2
• 3t2
• 6t
• 3t2 + 2

13.‘Positive Power’ meaning ___________

• Power is being delivered to circuit
• Power is being extracted from circuit
• No power supply
• Input and output powers are equal

14. If energy w = 200t2+ 99 et + 2 then calculate at 0.1 sec

• 148.52
• 149.41
• 149.95
• 148.39

15. Separation of charge creates

• Current
• Voltage
• Resistance
• Friction