done 6th Electricity

• question_answer1)
  When you switch on the torch, which part of the bulb glows?
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• question_answer2)
  Why the electric cell and the bulb both have two terminals?  
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• question_answer3)
  What material can be used in electric circuit, so that the current can pass through them?
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• question_answer4)
  Paheli has another arrangement of the cell and the bulb. Will the torch bulb glow in the following arrangement?  
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• question_answer5)
  Boojho has drawn the inside of the torch as shown in figure. When we close the switch, the circuit is completed and the bulb glows. Can you draw change this line on the figure indicating the complete circuit?  
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• question_answer6)
  Complete the following table. Bulb will glow or not?  

  	Object used in place of the switch	Material it is made of	Bulb glows (yes/no)
  1.	Key	Metal
  2.	Eraser	Rubber
  3.	Scale	Plastic
  4.	Matchstick	Wood
  5.	Glass bangle	Glass
  6.	Iron nail	Metal
  7.	Notebook	Paper

     
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• question_answer7)
  Fill in the blanks: (a) A device that is used to break an electric circuit is called ... (b) An electric cell has ... terminals.  
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• question_answer8)
  Mark True' or False for following statements: (a) Electric current can flow through metals. (b) Instead of metal wires, a jute string can be used to make a circuit. (c) Electric current can pass through a sheet of thermocol.  
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• question_answer9)
  Explain why the bulb would not glow in the arrangement shown in the figure.  
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• question_answer10)
  Complete the drawing shown in the figure to indicate where the free ends of the two wires should be joined to make the bulb glow.  
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• question_answer11)
  What is the purpose of using electric switch? Name some electrical gadgets that have switches built into them.
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• question_answer12)
  Would the bulb glow after completing the circuit shown in Q. 4, if instead of safety pin, we use an eraser?
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• question_answer13)
  Would the bulb glow in the circuit shown in figure?  
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• question_answer14)
  Using the conduction tester on an object, it was found that the bulb begins to glow. Is that object a conductor or an insulator? Explain.
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• question_answer15)
  Why should an electrician use rubber gloves, while repairing an electric switch at your home? Explain.
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• question_answer16)
  The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Can you explain why?
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