Class 6 Electricity And Circuits CBSE Questions & Answers

Class 6 · Electricity And Circuits

This is Science Class 6 Electricity and Circuits CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Galvanometer is used in
  • A
    Measuring voltage
  • B
    Measuring current
  • C
    Detection of current
    Correct
  • D
    Detecting heat
2
Chemical effect of electric current is used in
  • A
    Galvanizing
  • B
    Rusting
  • C
    Painting
  • D
    Electroplating
    Correct
3
Ohms is the SI unit of
  • A
    Resistance
    Correct
  • B
    Power
  • C
    Current
  • D
    Voltage
4
Electromagnet is a
  • A
    Natural magnet
  • B
    Temporary magnet
    Correct
  • C
    Both temporary and permanent
  • D
    Permanent magnet
5
Short circuit is caused due to
  • A
    Direct contact of live wire and guy wire
  • B
    Direct contact of live and neutral wire
    Correct
  • C
    Direct contact of live wire and earth wire
  • D
    Direct contact of neutral wire and earth wire
6
Live wire is covered with _________________ coloured insulation.
  • A
    Red
    Correct
  • B
    Black
  • C
    White
  • D
    Green
7
The substance that easily allow the current to pass through it is called
  • A
    Poor conductor
  • B
    Insulator
  • C
    Conductor
    Correct
  • D
    Non-conductor
8
Connecting too many appliances with single socket may lead to
  • A
    Overloading
    Correct
  • B
    Over drawing
  • C
    Short circuiting
  • D
    Earthling
9
Earth wire is used to
  • A
    Protect us from electric shock
    Correct
  • B
    Make the circuit complete
  • C
    Prevent the circuit
  • D
    Increase the current
10
Carbon rod in a dry cell is surrounded by a mixture of _______________ and charcoal.
  • A
    Manganese dioxide
    Correct
  • B
    Zinc oxide
  • C
    Carbon dioxide
  • D
    Copper oxide
11
Open circuit is circuit in which
  • A
    Switch is absent
  • B
    Current is not flowing
    Correct
  • C
    Current is flowing
  • D
    Bulb is not present
12
Which instrument is used to measure potential difference?
  • A
    Voltmeter
    Correct
  • B
    Galvanometer
  • C
    Ohmmeter
  • D
    Ammemeter
13
Which two wire passes through the electric meter?
  • A
    Only live wire
  • B
    Neutral wire and earth wire
  • C
    Live wire and neutral wire
    Correct
  • D
    Live wire and earth wire
14
Which of the following is bad conductor of electric current?
  • A
    Diamond
    Correct
  • B
    Graphite
  • C
    Iron
  • D
    Nichrome
15
Fuse is a safety device which is made up of
  • A
    Alloy of high melting point
  • B
    Alloy of low melting point
    Correct
  • C
    Pure metal of low melting point
  • D
    Pure metal of high melting point