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NCERT Solutions Class 6 Science Chapter 12 Electricity and Circuits

Chapter 12 delves into the intriguing realm of Electricity and Circuits, covering topics such as electric cells, electric bulbs, electric circuits, switches, conductors, insulators, and examples of these materials. These NCERT Solutions are designed to be your guide, offering accurate solutions that assist you in completing homework efficiently and preparing effectively for exams.

Download the NCERT Solutions for Electricity and Circuits in PDF

Electricity and Circuits

Frequently Asked Questions 

 

Q1 : Explain the use of an electric switch from Chapter 12 of NCERT Solutions for Class 6 Science.

 

Electric switches are used to complete or break a circuit. Refrigerators, fans, microwave ovens, television, and electric cookers are some of the electrical gadgets with built-in switches. To understand these concepts efficiently, the NCERT Solutions contain diagrammatic representation to enable visual learning. The faculty make use of simple and understandable language to help students learn the Chapter. The solutions are created in a systematic manner to ensure that the students improve their problem-solving abilities, which are important to face the exam without fear.

 

Q2 : What type of questions can I expect from Chapter 12 of NCERT Solutions for Class 6 Science?

 

There are about 10 questions in Chapter 12 of NCERT Solutions for Class 6 Science. It includes short answer questions and fill in the blanks as per the NCERT Textbook. Students who are not able to answer the textbook questions in a short duration can access the solutions and get their queries clarified. The solutions are prepared in an interactive way to improve the problem-solving abilities of students. All the fundamental concepts are highlighted in the solutions to keep the students prepared to face the changes occurring in the current industries.

 

Q3 : What topics can I learn from Chapter 12 of NCERT Solutions for Class 6 Science?

 

From Chapter 12 of NCERT Solutions for Class 6 Science, you can learn about topics like the following:

 

1. Electric cell

2. A bulb connected to an electric cell

3. An electric circuit

4. Electric switch

5. Electric conductors and insulators

Question 1 :

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?

 

Answer :

Tools like screwdrivers and pliers are used by electricians for repair work because plastic is an insulator, and plastic handles protect the electrician from electric shocks.

 


Question 2 :

Fill in the blanks :

(a) A device that is used to break an electric circuit is called _______________.

(b) An electric cell has _______________ terminals.

 

Answer :

(a) A device that is used to break an electric circuit is called a switch.

(b) An electric cell has two terminals.

 


Question 3 :

3. Explain why the bulb would not glow in the arrangement shown in Fig. 12.13.

In complete circuit

 

Answer :

The bulb would not glow in the arrangement because the circuit is not complete due to the presence of an insulator in the centre.

 


Question 4 :

Complete the drawing shown in Fig 12.14 to indicate where the free ends of the two wires should be joined to make the bulb glow.

in complete circuit diagram

 

Answer :

 

complete circuit diagram

 


Question 5 :

What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.

 

Answer :

The purpose of an electric switch is to complete or break the circuit. Electrical gadgets that have switches built into them are fans, refrigerators, television, microwave ovens, and electric cookers.

 


Question 6 :

Would the bulb glow after completing the circuit shown in Fig. 12.14 if instead of a safety pin we use an eraser?

incomplete circuit diagram

 

Answer :

No, the bulb will not glow as the eraser is an insulator.

 


Question 7 :

Would the bulb glow in the circuit shown in Fig. 12.15?

Incomplete circuit

 

Answer :

No, the bulb will not glow.

 


Question 8 :

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.

 

Answer :

The object is a conductor because the bulb glows only when the conductor is used but not when the insulator is used.

 


Question 9 :

Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain.

 

Answer :

An electrician uses rubber gloves while repairing an electric switch at your home because rubber gloves are insulators. This protects him from avoiding electric shocks.

 


Question 10 :

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 thermo Col.

 

Answer :

(a) True

 

(b) False

 

(c) False

 


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