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Eakshaa
Eakshaa
Asked: November 24, 2020In: Class 7 Science

Zubeda made an electric circuit using a cell holder, a switch and a bulb. When she put the switch in the ‘ON’ position, the bulb did not glow. Help Zubeda in identifying the possible defects in the circuit.

NCERT Solutions for Class 7 Science Chapter 14 Important NCERT Questions 7th Chapter 14 Electric Current and its Effects NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 12

2020-2021cbsechapter 14class 7 scienceclass7electric current and its effectsncertscience
  • 1 1 Answer
  • 408 Views
  • 14 Votes
Answer
Eakshaa
Eakshaa
Asked: November 24, 2020In: Class 7 Science

An electrician is carrying out some repairs in your house. He wants to replace a fuse by a piece of wire. Would you agree? Give reasons for your response.

NCERT Solutions for Class 7 Science Chapter 14 Important NCERT Questions 7th Chapter 14 Electric Current and its Effects NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 11

2020-2021cbsechapter 14class 7 scienceclass7electric current and its effectsncertscience
  • 1 1 Answer
  • 796 Views
  • 16 Votes
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Eakshaa
Eakshaa
Asked: November 24, 2020In: Class 7 Science

Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Explain.

NCERT Solutions for Class 7 Science Chapter 14 Important NCERT Questions 7th Chapter 14 Electric Current and its Effects NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 10

2020-2021cbsechapter 14class 7 scienceclass7electric current and its effectsncertscience
  • 1 1 Answer
  • 366 Views
  • 13 Votes
Answer
Eakshaa
Eakshaa
Asked: November 24, 2020In: Class 7 Science

Fill in the blanks: The safety device based on the heating effect of electric current is called a ____________.

NCERT Solutions for Class 7 Science Chapter 14 Important NCERT Questions 7th Chapter 14 Electric Current and its Effects NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8 Part: d

2020-2021cbsechapter 14class 7 scienceclass7electric current and its effectsncertscience
  • 1 1 Answer
  • 578 Views
  • 13 Votes
Answer
Eakshaa
Eakshaa
Asked: November 24, 2020In: Class 7 Science

Fill in the blanks: When current is switched ‘on’ in a room heater, it ____________.

NCERT Solutions for Class 7 Science Chapter 14 Important NCERT Questions 7th Chapter 14 Electric Current and its Effects NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8 Part: c

2020-2021cbsechapter 14class 7 scienceclass7electric current and its effectsncertscience
  • 1 1 Answer
  • 467 Views
  • 13 Votes
Answer
Eakshaa
Eakshaa
Asked: November 24, 2020In: Class 7 Science

Fill in the blanks: The combination of two or more cells is called a ____________.

NCERT Solutions for Class 7 Science Chapter 14 Important NCERT Questions 7th Chapter 14 Electric Current and its Effects NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8 Part: b

2020-2021cbsechapter 14class 7 scienceclass7electric current and its effectsncertscience
  • 1 1 Answer
  • 1k Views
  • 16 Votes
Answer
Eakshaa
Eakshaa
Asked: November 24, 2020In: Class 7 Science

Fill in the blanks: Longer line in the symbol for a cell represents its ____________ terminal.

NCERT Solutions for Class 7 Science Chapter 14 Important NCERT Questions 7th Chapter 14 Electric Current and its Effects NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8 Part: a

2020-2021cbsechapter 14class 7 scienceclass7electric current and its effectsncertscience
  • 1 1 Answer
  • 424 Views
  • 14 Votes
Answer
Eakshaa
Eakshaa
Asked: November 24, 2020In: Class 7 Science

When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.

NCERT Solutions for Class 7 Science Chapter 14 Important NCERT Questions 7th Chapter 14 Electric Current and its Effects NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 6

2020-2021cbsechapter 14class 7 scienceclass7electric current and its effectsncertscience
  • 2 2 Answers
  • 192 Views
  • 14 Votes
Answer
Eakshaa
Eakshaa
Asked: November 24, 2020In: Class 7 Science

Name any two effects of electric current.

NCERT Solutions for Class 7 Science Chapter 14 Important NCERT Questions 7th Chapter 14 Electric Current and its Effects NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5

2020-2021cbsechapter 14class 7 scienceclass7electric current and its effectsncertscience
  • 2 2 Answers
  • 212 Views
  • 14 Votes
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