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| AP Board Class 7 Science Chapter 7 Electricity Current and Its Effect Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Science Chapter 7 Electricity Current and Its Effect Book Answers |
Andhra Pradesh Board Class 7th Science Chapter 7 Electricity Current and Its Effect Textbooks Solutions PDF
Andhra Pradesh State Board STD 7th Science Chapter 7 Electricity Current and Its Effect Books Solutions with Answers are prepared and published by the Andhra Pradesh Board Publishers. It is an autonomous organization to advise and assist qualitative improvements in school education. If you are in search of AP Board Class 7th Science Chapter 7 Electricity Current and Its Effect Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 7th Science Chapter 7 Electricity Current and Its Effect solutions that are available here for free PDF downloads to help students for their adequate preparation. You can find all the subjects of Andhra Pradesh Board STD 7th Science Chapter 7 Electricity Current and Its Effect Textbooks. These Andhra Pradesh State Board Class 7th Science Chapter 7 Electricity Current and Its Effect Textbooks Solutions English PDF will be helpful for effective education, and a maximum number of questions in exams are chosen from Andhra Pradesh Board.Andhra Pradesh State Board Class 7th Science Chapter 7 Electricity Current and Its Effect Books Solutions
| Board | AP Board |
| Materials | Textbook Solutions/Guide |
| Format | DOC/PDF |
| Class | 7th |
| Subject | Maths |
| Chapters | Science Chapter 7 Electricity Current and Its Effect |
| Provider | Hsslive |
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AP Board Class 7th Science Chapter 7 Electricity Current and Its Effect Textbooks Solutions with Answer PDF Download
Find below the list of all AP Board Class 7th Science Chapter 7 Electricity Current and Its Effect Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:7th Class Science 7th Lesson Electricity – Current and Its Effect Textbook Questions and Answers
Improve Your Learning
Question 1.
Draw the symbols of the following electric components.
a) Cell
b) Battery
c) Switch
d) Electric bulb
Answer:
a) Symbol for cell: The longer line denotes the positive terminal, and the thicker, small line denotes the negative terminal.
b) Symbol for battery: Two or more cells joined together form a battery.
c) Symbol for switch: Switch is also called key. Switch is open.
d) Symbol for electric bulb: Electric bulb in on position.
Question 2.
Draw an electric circuit diagram consisting of a cell, a bulb and an electric switch.
Answer:
Electric Circuit diagram:
Question 3.
In a series connection of bulbs, if one bulb fails, why do all other bulbs go OFF?
Answer:
- In a series electric circuit, electricity has only one path to flow through.
- In series connection of bulbs, if one bulb fails, the circuit breaks and current do not flow in the circuit.
- So other bulbs in the series connection of bulbs do not glow’and they go OFF.
Question 4.
Write the difference between series connection and parallel connection.
Answer:
| Series Connection | Parallel Connection |
| Electricity has only one path to flow. | Electricity has more than one path to flow. |
| All the electrical components are connected in this path. | Each bulb in the circuit is connected in separate path through which electricity can flow. |
Question 5.
What is the advantage of Miniature Circuit Breaker?
Answer:
- The advantage miniature circuit breakers have over fuses is that they can reset (manually or automatically) to restore normal operation.
- Fuses need to be replaced after every single operation.
Question 6.
Fill in the blanks.
a) Longer line in the symbol for a cell represents its ………… terminal.
b) Smaller line in the symbol for a cell represents its ………… terminal.
c) The combination of two or more cells is called a ………… .
d) Safety device used in electric circuit is ………… .
e) The device used to close or open an electric circuit is ………… .
Answer:
a) positive
b) negative
c) battery
d) fuse
e) switch
Question 7.
Mark T’ if the statement is true and F’ if it is false. Give reasons for choice of answer.
a) In series circuit the electricity has only one path. (T/F)
b) In parallel circuit the electricity has more than one path. (T/F)
c) To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell. (T/F)
d) When the electric current through the fuse exceeds a certain limit the fuse wire
melts and breaks. (T/F)
e) The switch is used to close or open an electric circuit. (T/F)
Answer:
a) T
b) T
c) F
d) T
e) T
Question 8.
Choose the correct answer.
i) Arun buys four bulbs of 15 W, 40 W, 60 W and 100 W respectively. Which one should be use in his room as a night bulb?
A) 15 W
B) 40 W
C) 60 W
D) 100 W
Answer:
A) 15 W
ii) Device used to close or open an electric circuit is ( C )
A) Electric bulb
B) Battery
C) Switch
D) Fuse
Answer:
C) Switch
iii) Which one of the following is used for light source? ( D )
A) Cassette player
B) Electric mixer
C) Rice Cooker
D) Table lamp
Answer:
D) Table lamp
iv) Safety device used in electric circuit is ( D )
A) Electric bulb
B) Battery
C) Switch
D) Fuse
Answer:
D) Fuse
Question 9.
Visit your classmates houses. Find out the meter readings of three months. Record your observations. Ask your parents about how electricity bill is paid?
Answer:
Question 10.
Draw the symbols of the following electric components.
Answer:
Question 11.
Draw the circuit diagram for the following series connection.
Answer:
Question 12.
Match the following.
Answer:
AP Board Textbook Solutions PDF for Class 7th Science
- AP Board Class 7
- AP Board Class 7 Science
- AP Board Class 7 Science 1st Lesson Food for Health
- AP Board Class 7 Science 2nd Lesson Nature of Substances
- AP Board Class 7 Science 3rd Lesson Nutrition in Organisms
- AP Board Class 7 Science 4th Lesson Respiration and Circulation
- AP Board Class 7 Science 5th Lesson Motion and Time
- AP Board Class 7 Science 6th Lesson Electricity
- AP Board Class 7 Science 7th Lesson Reproduction in Plants
- AP Board Class 7 Science 8th Lesson Wonders of Light
- AP Board Class 7 Science 9th Lesson Heat, Temperature and Climate
- AP Board Class 7 Science 10th Lesson Changes Around Us
- AP Board Class 7 Science 11th Lesson Fibres and Fabrics
- AP Board Class 7 Science 12th Lesson Soil and Water
- AP Board Class 7 Science 1st Lesson ఆహారంతో ఆరోగ్యం
- AP Board Class 7 Science 2nd Lesson పదార్థాల స్వభావం
- AP Board Class 7 Science 3rd Lesson జీవులలో పోషణ
- AP Board Class 7 Science 4th Lesson శ్వాసక్రియ – ప్రసరణ
- AP Board Class 7 Science 5th Lesson చలనం – కాలం
- AP Board Class 7 Science 6th Lesson విద్యుత్
- AP Board Class 7 Science 7th Lesson మొక్కలలో ప్రత్యుత్పత్తి
- AP Board Class 7 Science 8th Lesson కాంతితో అద్భుతాలు
- AP Board Class 7 Science 9th Lesson ఉష్ణం, ఉష్ణోగ్రత మరియు శీతోష్ణస్థితి
- AP Board Class 7 Science 10th Lesson మన చుట్టూ జరిగే మార్పులు
- AP Board Class 7 Science 11th Lesson దారాలు – దుస్తులు
- AP Board Class 7 Science 12th Lesson నేల మరియు నీరు
- AP Board Class 7 Science Chapter 1 Food Components
- AP Board Class 7 Science Chapter 2 Acids and Bases
- AP Board Class 7 Science Chapter 3 Animal Fibre
- AP Board Class 7 Science Chapter 4 Motion and Time
- AP Board Class 7 Science Chapter 5 Temperature and Its Measurement
- AP Board Class 7 Science Chapter 6 Weather and Climate
- AP Board Class 7 Science Chapter 7 Electricity Current and Its Effect
- AP Board Class 7 Science Chapter 8 Air Winds and Cyclones
- AP Board Class 7 Science Chapter 9 Reflection of Light
- AP Board Class 7 Science Chapter 10 Nutrition in Plants
- AP Board Class 7 Science Chapter 11 Respiration in Organisms
- AP Board Class 7 Science Chapter 12 Reproduction in Plants
- AP Board Class 7 Science Chapter 13 Seed Dispersal
- AP Board Class 7 Science Chapter 14 Water Too Little To Waste
- AP Board Class 7 Science Chapter 15 Soil Our Life
- AP Board Class 7 Science Chapter 16 Forest Our Life
- AP Board Class 7 Science Chapter 17 Changes Around Us
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