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Chapters
2: Force and Pressure
3: Light
4: Heat
▶ 5: Electricity
6: Sound
7: Magnetism
8: Universe and Space Science
9: Matter around us
10: Changes around us
11: Air
12: Atomic Structure
13: Water
14: Acids and Bases
15: Chemistry in Everyday Life
16: Microorganisms
17: Plant Kingdom
18: Organisation of Life
19: Movements in Animals
20: Reaching the Age of Adolescence
21: Crop Production and Management
22: Conservation of Plants and Animals
23: Libre Office Calc
![Samacheer Kalvi solutions for Science [English] Class 8 TN Board chapter 5 - Electricity - Shaalaa.com](/images/science-english-class-8-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Science [English] Class 8 TN Board chapter 5 - Electricity")
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Solutions for Chapter 5: Electricity
Below listed, you can find solutions for Chapter 5 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science [English] Class 8 TN Board.
Samacheer Kalvi solutions for Science [English] Class 8 TN Board 5 Electricity Exercises [Pages 57 - 58]
Choose the best answer.
When an ebonite rod is rubbed with fur, the charge acquired by the fur is
negative
positive
partly positive and partly negative
None of these
The electrification of two different bodies on rubbing is because of the transfer of
neutrons
protons
electrons
protons and neutrons
Which of the following a simple circuit must-have?
Energy source, Battery, Load
Energy source, Wire, Load
Energy source, Wire, Switch
Battery, Wire, Switch
An electroscope has been charged by induction with the help of charged glass rod. The charge on the electroscope is
negative
positive
both positive and negative
None of the above
Fuse is
a switch
a wire with low resistance
a wire with high resistance
a protective device for breaking an electric circuit
Fill in the blanks.
______ takes place by rubbing objects together.
The body which has lost electrons becomes ________.
______ is a device that protects building from lightning strike.
_____ has a thin metallic filament that melts and breaks the connection when the circuit is overheated.
Three bulbs are connected end to end from the battery. This connection is called _______.
State true or false. If false, correct the statement.
The charge acquired by an ebonite rod rubbed with a piece of flannel is negative.
True
False
A charged body induces an opposite charge on an uncharged body when they are brought near.
True
False
Electroscope is a device used to charge a body by induction.
True
False
Water can conduct electricity.
True
False
In parallel circuit, current remains the same in all components.
True
False
Match the following.
| Two similar charges | acquires a positive charge |
| Two dissimilar charges | prevents a circuit from overheating |
| When glass rod is rubbed with silk | repel each other |
| When ebonite rod is rubbed with fur | attract each other |
| Fuse | acquires a negative charge |
Give a reason for the following.
When a glass rod is rubbed with silk cloth both get charged.
Give a reason for the following.
When a comb is rubbed with dry hair it attracts small bits of paper.
Give a reason for the following
When you touch the metal disc of an electroscope with a charged glass rod the metal leaves get diverged.
Give a reason for the following.
In an electroscope, the connecting rod and the leaves are all metals.
Give a reason for the following.
One should not use an umbrella while crossing an open field during thunderstorm.
Consider the statements given below and choose the correct option.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Both assertion and reason are true and reason is the correct explanation of assertion.
Both assertion and reason are true and reason is not the correct explanation of assertion
Assertion is true but reason is false.
Assertion is false but reason is true.
Consider the statement given below and choose the correct option.
Assertion: It is safer to stand under a tall tree during lightning.
Reason: It will make you the target for lightning.
Both assertion and reason are true and reason is the correct explanation of assertion.
Both assertion and reason are true and reason is not the correct explanation of assertion.
Assertion is true but reason is false.
Assertion is false but reason is true.
Answer briefly.
How charges are produced by friction?
What is earthing?
What is electric circuit?
What is electroplating?
Give some uses of electroplating.
Answer in detail.
Explain three ways of charge transfer.
What is electroscope? Explain how it works.
Explain series and parallel circuit.
How lightning takes place?
What is electroplating? Explain how it is done.
Solutions for 5: Electricity
Samacheer Kalvi solutions for Science [English] Class 8 TN Board chapter 5 - Electricity
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Science [English] Class 8 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Science [English] Class 8 TN Board Tamil Nadu Board of Secondary Education 5 (Electricity) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Science [English] Class 8 TN Board chapter 5 Electricity are Electricity, Electric Circuit, Electric Force, Electric Field, Structure of an Atom, Transfer of Charges, Direction of the Electric Current - Conventional and Electronic Flow, Flow of Charges (Electrons) Between Conductor, Electroscope, Lightning and Lightning Safety, Types of Circuits: Simple Circuit, Types of Circuits: Series Circuit, Types of Circuits: Parallel Circuit, Effects of Electric Current, Heating Effect of Electric Current, Chemical Effects of Electric Current, Electric Charge.
Using Samacheer Kalvi Science [English] Class 8 TN Board solutions Electricity exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Science [English] Class 8 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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