Tiwari Academy Discussion

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

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

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

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

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

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

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

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

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

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