Electricity and Circuits Online Test

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Description: Test will cover the chapter electricity and circuits
Number of Questions: 20
Created by: Shankara Prabhu
Tags: ELECTRICITY AND CIRCUITS Electricity and Circuits

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Which of the following correctly explains the electric current?

What is the function of a switch?

A switch places a limit on the amount of current that can be drawn by an electric current.
A switch completes the ciruit.
Break the circuit and complete the circuit.
Neither breaks nor completes the circuit.
It is a simple device, which we use to switch on or off electrical appliances.

What will you call that device which does not allow the electricity to pass through it?

Two or more cells joined together are called ______.

Which metal is used to make the filament?

What is open circuit?

A complete electrical circuit in which current can flow.
An incomplete electrical circuit through which current cannot flow.
The circuit in which equal amount of current passes through all the components.
The circuit in which different amounts of current flows through the different appliances of a circuit.
None of the above

An electric cell has ____________ terminals

__________ is an insulator.

What is a semiconductor?

It is a material, which allows electricity to pass through it completely.
It is a material, which does not allow the current to pass through it.
It is a device, which is used to store the charges.
It is the material, which has the conductivity between some metals and insulator.
It is the device, which converts the current from dc to ac.

Which wire protects us from having electric shocks?

Which of the following non-metals is a conductor of electricity?

Which of the following devices converts chemical energy into electrical energy?

Kerosene oil is an example of ____________.

In which direction does the current flow?

An electric bulb lights up only when _______.

What is the unit of current?

What is a conductor ?

It is the device, which does not allow the electricity to pass through it.
It is the device, which allows the electricity to pass through it.
It is the device, which has the conductivity between insulators and that of metals.
It is the apparatus, which reduces or increases the voltage of alternative current.
It is the device used to store electric charge.

______________ is the positive terminal of an electric cell.

The tiny coiled metal wire present inside the bulb is called a/an __________.

When current flows in a circuit, then the particles that move are called

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