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Electric Switches in Household Circuits

Covers the functions, types, wiring connections, and circuit configurations of electric switches in household electrical systems for Class 10 students.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

A device that is used to break or make an electric circuit is called _________.

  1. potentiometer
  2. switch
  3. breaker
  4. fuse
Question 2 Multiple Choice (Single Answer)

The main function of a switch is to

  1. Allow changes of flow
  2. Complete or break a circuit
  3. Make the bulb glow easily
  4. Prevent electric shocks
Question 3 Multiple Choice (Single Answer)

A switch is always connected to the :

  1. Live wire
  2. Neutral wire
  3. Earth wire
  4. None of these
Question 4 Multiple Choice (Single Answer)

Why are switches not connected to neutral wire?

  1. Because there will be overheating
  2. No current will flow through the appliance
  3. Fuse will blow
  4. All
Question 5 Multiple Choice (Single Answer)

Commonly used switches are 

  1. Clutch type
  2. Lever type
  3. Plug type
  4. All of the above
Question 6 Multiple Choice (Single Answer)

Switches are connected to

  1. Live wire
  2. Neutral wire
  3. Fuse wire
  4. All of the above
Question 7 Multiple Choice (Single Answer)

MCB are

  1. Miniature circuit Breakers
  2. Switches
  3. Pulg
  4. Fuse
Question 8 Multiple Choice (Single Answer)

The switch used with an appliance to start or stop the flow of current in it is the

  1. Double pole switch
  2. Single pole swicth
  3. MCB
  4. All
Question 9 Multiple Choice (Multiple Answers)

In a household electric circuit

  1. all electric appliances drawing power are joined in parallel.
  2. a switch may be either in series or in parallel with the appliance which it controls.
  3. if a switch is in parallel with an appliance, it will draw power when the switch is in the 'off' position (open).
  4. if a switch is in parallel with an appliance, the fuse will blow (burn out) when the switch is put 'on' (closed).
Question 10 Multiple Choice (Single Answer)

In an household electric circuit, which of the following is/are correct?
(A) All electric appliances drawing power are joined in parallel.
(B) A switch may be either in series or in parallel with the appliance which it controls.
(C) If a switch is in parallel with an appliance, it will draw power when the switch is in the 'off' position (open).
(D) If a switch is in parallel with an appliance, the fuse will blow (burn out) when the switch is put 'on' closed.

  1. A, D
  2. A, C, D
  3. B, C, D
  4. A, B, D
Question 11 Multiple Choice (Single Answer)
State whether true or false.
A switch is used to close or open an electric circuit.
  1. True
  2. False
Question 12 Multiple Choice (Single Answer)

Switches of the electric appliances are connected in the _____ wire.

  1. neutral
  2. line
  3. earth
  4. all
Question 13 Multiple Choice (Multiple Answers)

In a household electric circuit:

  1. all electric appliances drawing power are joined in parallel
  2. a switch may be either in series or in parallel with the appliance which it controls
  3. if a switch is in parallel with an appliance, it will draw power when the switch in the off position (open)
  4. if a switch is in parallel with an appliance, the fuse will blow (burn out) when the switch is put on (closed)
Question 14 Multiple Choice (Single Answer)

Of the three connecting wires in a household circuit : (i) Which of the three wires should the switch be connected ?

  1. Live
  2. Neutral
  3. Earth
  4. All of these
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