Components of Electric Circuit

Q.

Name two devices in which an electric cell is used. [1 MARK]

Q.

The metal disc of an electric cell is the ___.

1. Nagative terminal

2. Positive terminal

3. There is no such metal disc in an electric cell.

4. None of these

Q. Two or more cells joined together form a ___.

Q.

What is the symbol for a potentiometer?

Q.

What is a battery? How is it made? Where is it used? [3 MARKS]

Q. Which component is not a part of the electric circuit in a torch?

1. Switch
2. Battery
3. Glass
4. Wire

Q.

Electricity is very essential for our day to day activities.

1. True

2. False

Q.

What can be said about the circuit diagram shown below?

1. Bulbs in parallel

2. Bulbs in series

3. Cells in series

4. Undetermined

Q.

The metal disc of an electric cell is:

1. Nagative terminal

2. There is no such metal disc in an electric cell.

3. Positive terminal

4. None of these

Q. Select the option that does not match with the corrosponding symbols named i) to iv).

1. i) Voltmeter
2. iii) Ammeter
3. iv) Battery
4. ii) Switch

Q. All the components of electric circuit are essentially good conductors of electricity.

1. True
2. False

Q. Which of the following use/s an electric cell for working?

1. All of these

2. Operating a remote control

3. Operating a walkie-talkie

4. Lighting a torch

Q. With the advent of semiconductors, vacuum tubes in electronics have been replaced with .

1. normal switches
2. transistors
3. gas tubes
4. electric resistors

Q. Two or more cells joined together form a ______ .

1. bulb
2. switch
3. battery
4. wire

Q.

What can be said about the diagram given below?

1. Bulbs in series

2. Bulbs in parallel

3. Switch in series

4. Undetermined

Q. Ammeter is always connected in ___ and Voltmeter is always connected in___.

1. series, parallel
2. parallel, parallel
3. series, series
4. parallel, series

Q.

Two or more cells can be joined together to form a ______________.

1. resistor

2. motor

3. battery

4. transistor

Q. Which of the following is not a typical component of electric circuit?

1. switch
2. bulb
3. iron nail
4. wire