Which of the following is a good conductor?

Correct! Wrong!

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A silver spoon is a good conductor as it allows the electric current to pass through it.

When the switch is in the off position, which of the following statement is incorrect?

Correct! Wrong!

When the switch is in the off position the circuit is incomplete. It is said to be open circuit and no current flows through any part of the circuit.

Plastic, wood and bakelite are some good ____ of electricity.

Correct! Wrong!

Plastic, wood and bakelite are some good insulators of electricity.

The coil present in an electric bell acts as ____.

Correct! Wrong!

The coil present in an electric bell act as an electromagnet.

Switches, electrical plugs and sockets are mainly made up of conducting materials.

Correct! Wrong!

Switches, electrical plugs and sockets are mainly made of insulators, only for connecting purpose conductors are used.

____ is a temporary magnet.

Correct! Wrong!

An electromagnet is a temporary magnet.

In the symbol of an electric cell, longer and shorter lines are drawn perpendicular to each other.

Correct! Wrong!

In the symbol of an electric cell, longer and shorter lines are drawn parallel to each other.

In some devices the cells are placed side by side, in these devices terminals of cells are connected by ____.

Correct! Wrong!

In some devices the cells are placed side by side and there is usually a thick metallic wire or metal strip connecting the positive terminal of one cell to the negative terminal of the next cell.

Materials, which do not allow electricity to pass through them easily, are called ____ of electricity.

Correct! Wrong!

Materials that do not allow electricity to pass through them easily are called insulators of electricity.

The ____ is used for opening and closing an electric circuit.

Correct! Wrong!

The switch is used for opening and closing an electric circuit.

Insulators allow charges to flow through them.

Correct! Wrong!

Insulators do not allow electric charges to flow through them.

The switch in a circuit can be placed anywhere in the circuit.

Correct! Wrong!

The switch in an electric circuit can be placed anywhere in the circuit.

A compass needle is made of ____.

Correct! Wrong!

A compass needle is made of a tiny magnet.

Electric current is defined as the rate of flow of ____.

Correct! Wrong!

Electric current is defined as the rate of flow of electric charge.

The path along which an electric current can flow is called a/an ____.

Correct! Wrong!

The path along which an electric current can flow is called an electric circuit.

In the symbol of an electric cell, longer line represents the negative terminal of the cell.

Correct! Wrong!

In the symbol of an electric cell, longer line represents the positive terminal of the cell.

The property of a body to oppose the flow of electric charge through it is called electric ____.

Correct! Wrong!

Electric resistance is the property of a body due to which it oppose or resist the flow of electric charge through it.

All metals, alloys of metals and graphite are ____ of electricity.

Correct! Wrong!

All metals, alloys of metals and graphite are conductors.

A magnet suspended freely always point in the ____ direction.

Correct! Wrong!

A magnet suspended freely always point in the north-south direction.

Ammeter is a device that is used to measure ____.

Correct! Wrong!

Ammeter is a device used to measure electric current.

Bakelite is an example of ____.

Correct! Wrong!

Bakelite is an insulator.

Combination of two or more cells is called ____.

Correct! Wrong!

The combination of two or more cells is called a battery. In battery the positive terminals of one cell is connected to the negative terminal of next cell.

____ was the first person who noticed the deflection of a compass needle placed near a current-carrying conductor.

Correct! Wrong!

Hans Christian Oersted's was the first person who noticed the deflection of a compass needle placed near a current-carrying conductor.

An electric cell has ____ terminals.

Correct! Wrong!

An electric cell has two terminals, one positive and the other negative.

The wire in an electric circuit connects all components of the circuit and blocks the current flowing through the circuit.

Correct! Wrong!

The wire in an electric circuit connects all components of it and passes the current through it.

Metals are ____ of electricity.

Correct! Wrong!

Metals are conductors of electricity.

Our body is ____ of electricity.

Correct! Wrong!

Our body is a conductor of electricity.

Wood, plastic and glass are ____.

Correct! Wrong!

Wood, plastic and glass are insulators.

Electric current is measured in ____.

Correct! Wrong!

Electric current is measured in ampere.

In an electric circuit ____ work as source of electricity.

Correct! Wrong!

In an electric circuit cell work as source of electricity.

ICSE Class 9th Physics - Electricity MCQs
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