Symbols of Electronic Components

IMPORTANT

Symbols of Electronic Components: Overview

This topic covers concepts, such as, Electric Circuit, Electric Current, Resistance & Current Flow through Wire etc.

Important Questions on Symbols of Electronic Components

MEDIUM
IMPORTANT

Name the instrument that measures current flowing in a circuit.

EASY
IMPORTANT

 Electric current has _____ energy. (Choose from: electrical/ chemical/ mechanical)

HARD
IMPORTANT

What is a thermometer used for? Explain laboratory thermometer and digital thermometer.

HARD
IMPORTANT

Electric bulbs are being used in our houses very commonly. Which are the main parts of an electric bulb? Draw a figure and explain. Explain the functions of each part too.

HARD
IMPORTANT

An electric bulb is used to get light. Explain the working of an electric bulb with a suitable diagram.

EASY
IMPORTANT

A _____ is device which is used to make and break an electric circuit.

EASY
IMPORTANT

In an electric cell, which form of energy is converted into electrical energy?

EASY
IMPORTANT

Name a safety device that works on the heating effect of current and melts to break a circuit during overloading.

EASY
IMPORTANT

The filament of an electric bulb is made of tungsten.

EASY
IMPORTANT

The current given by a battery is _____ current.

EASY
IMPORTANT

The current given by a battery is _____ (direct/ alternating) current.

MEDIUM
IMPORTANT

When the battery of a vehicle is not used for a long time, it gets discharged due to a phenomenon called _____.

EASY
IMPORTANT

A closed electric circuit provides a continuous path for the current to flow through it. 

EASY
IMPORTANT

An open electric circuit does not provide a path for the current to flow through it.

EASY
IMPORTANT

Which type of electric circuit does not provide a path for the current to flow through it - closed circuit or open circuit?

EASY
IMPORTANT

Which type of electric circuit provides a path for the current to flow through it - closed circuit or open circuit?

EASY
IMPORTANT

Device used to open or closed an electric circuit is 

EASY
IMPORTANT

Question Image

The above symbol represents a _____ in an electric circuit.

MEDIUM
IMPORTANT

Write the names of three domestic devices. How are these connected with mains?