[NCERT Solutions] Class 6 Science Chapter 9 Electricity and Circuits.
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Which includes :-
# Class 6 Science Chapter 9 Explanation.
# Class 6 Science Chapter 9 Important Questions.
- NCERT Back Exercise Solutions -
NCERT solutions for class 6 science Chapter 9 Electricity and Circuits.
NCERT Solutions for Class 6 Science Chapter 9 - Q1.
Q1. Fill in the blanks :
(a) A device that is used to break an electric circuit is called Switch .
(b) An electric cell has two terminals.
NCERT Solutions for Class 6 Science Chapter 9 - Q2.
Q2. Mark 'True' or 'False' for following statements:
(a) Electric current can flow through metals.
Ans. True
(b) Instead of metal wires, a jute string can be used to make a circuit.
Ans. False
(c) Electric current can pass through a sheet of thermocol.
Ans. False
NCERT Solutions for Class 6 Science Chapter 9 - Q3.
Q3. Explain why the bulb would not glow in the arrangement shown in Figure given below.
Ans. Bulb will not glow in the arrangement because circuit is not complete due to presence of insulator in the centre. The holder of the tester used in the connection is made of plastic which is an insulator. Thus, current will not flow in the circuit.
NCERT Solutions for Class 6 Science Chapter 9 - Q4.
Q4. Complete the drawing shown in the given figure to indicate where the free ends of the two wires should be joined to make the bulb glow.
Answer.
NCERT Solutions for Class 6 Science Chapter 9 - Q5.
Q5. What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.
Ans. Switch is a simple device that is used to either break the electric circuit or to complete it. So, the purpose of an electric switch is to complete or break the circuit. Electric gadgets that have switches built into them are microwaves, refrigerator, electric cooker, electric iron, etc.
NCERT Solutions for Class 6 Science Chapter 9 - Q6.
Q6. Would the bulb glow after completing the circuit shown in Figure given below. If instead of safety pin we use an eraser?
Ans. No, because eraser is an insulator.
NCERT Solutions for Class 6 Science Chapter 9 - Q7.
Q7. Would the bulb glow in the circuit shown in Figure given below?
Ans. No, the bulb will not glow because the wires from both terminals of the battery are connected to the one terminal of the bulb. In order to make the bulb glow, wires should be connected to the both terminals of the bulb.
NCERT Solutions for Class 6 Science Chapter 9 - Q8.
Q8. 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.
Ans. That object is conductor because electricity can pass thorough only a conductor and not through an insulator. Unless the object is conductor, the bulb could not glow.
NCERT Solutions for Class 6 Science Chapter 9 - Q9.
Q9. Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain.
Ans. The rubber gloves are insulators. It saves the electrician form getting an electric shock. That is why an electrician should use rubber gloves, while repairing an electric switch.
NCERT Solutions for Class 6 Science Chapter 9 - Q10.
Q10. 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?
Ans. Plastic and rubber, both is bad conductor of electricity (insulator). Hence plastic handles protect the electrician from electric shocks.
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