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4.Chemical effects of electric current(8)

4.Chemical effects of electric current(8)

20 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

The substance through which current can flow easily are called

  1. Insulator
  2. Poor conductor
  3. Good conductor
  4. Resistor
Question 2 Multiple Choice (Single Answer)

Electroplating is done to

  1. Increase the size and shape
  2. To make water resistance
  3. Make it more stronger
  4. Make it corrosion free and scratch resistance
Question 3 Multiple Choice (Single Answer)

Which of the following liquid is good conductor of electricity?

  1. Sugar solution
  2. Sea water
  3. Alcohol
  4. Distilled water
Question 4 Multiple Choice (Single Answer)

Battery is a

  1. Combination of two or more cells
  2. Combination of cell and conductor
  3. Combination of two cells
  4. Large single cell
Question 5 Multiple Choice (Single Answer)

Which of the appliances at your home does not run on electric current?

  1. Mixer grinder
  2. Air conditioner
  3. Gas burner
  4. Television
Question 6 Multiple Choice (Single Answer)

The bulb glows when the electric current passes through it due to

  1. Magnetic effect of electric current
  2. Lighting effect of electric current
  3. Chemical effect of electric current
  4. Heating effect of electric current
Question 7 Multiple Choice (Single Answer)

Which one is not a good conductor of electricity?

  1. Silver
  2. Graphite
  3. Copper
  4. Plastic
Question 8 Multiple Choice (Single Answer)

Which of the following object is generally electroplated?

  1. Frying pan
  2. Car engine
  3. Plough
  4. Cycle handle
Question 9 Multiple Choice (Single Answer)

In battery two or more cells are connected in

  1. Parallel
  2. Random
  3. Series
  4. Positive and positive terminals
Question 10 Multiple Choice (Single Answer)

In which type of cell zinc and copper plates are dipped in separate solution?

  1. Voltaic cell
  2. Dry cell
  3. Plant cell
  4. Lachlan he cell
Question 11 Multiple Choice (Single Answer)

The materials that have high resistance are called

  1. Super conductors
  2. Good conductors
  3. Filaments
  4. Bad conductors
Question 12 Multiple Choice (Single Answer)

Electric current is said to be pass through a wire when

  1. Only proton pass through it
  2. Nothing passes through it
  3. Both electron and neutron pass through it
  4. Only electrons pass through it
Question 13 Multiple Choice (Single Answer)

Electric circuit provides a complete path for

  1. Proton to flow
  2. Heat to flow
  3. Electron to flow
  4. Neutron to flow
Question 14 Multiple Choice (Single Answer)

The passage of an electric current through a solution causes

  1. Chemical effect
  2. Heating effect
  3. Lighting effect
  4. All of these
Question 15 Multiple Choice (Single Answer)

Potential difference is created in a electric circuit due to

  1. Cell or battery
  2. Switch
  3. Conductor
  4. Voltmeter
Question 16 Multiple Choice (Single Answer)

In electric circuit, current flows due to

  1. Same potential
  2. Difference in current
  3. Difference in potential
  4. Difference in temperature
Question 17 Multiple Choice (Single Answer)

Electric current is measured by a device

  1. Voltmeter
  2. Ammeter
  3. Galvanometer
  4. Odometer
Question 18 Multiple Choice (Single Answer)

A device which prevents or allow the current to flow through it

  1. Switch
  2. Terminal
  3. Conductor
  4. Motor
Question 19 Multiple Choice (Single Answer)

Which categories of substance are generally good conductors?

  1. Reflectors
  2. Metal
  3. Insulator
  4. Non metals
Question 20 Multiple Choice (Single Answer)

Fuse wire is used in electric circuit to prevent

  1. Electrical appliances and circuits
  2. Us from electric shock
  3. Prevent the ammeter
  4. Prevent the insulator
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