Tiwari Academy Discussion

Aadvika

Asked: December 31, 2020In: Class 10 Science

What is earth wire? How it works in our domestic circuit?

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Questions: Questions No: 8

Poll

Aadit

Asked: December 30, 2020In: Class 10 Science

Assertion (A): As the speed of the coil in the motor increases, there is reduction in the current flowing through it. Reason (R): During rotation in electric motor, some induced current is produced.

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 21

Amrita

Asked: December 30, 2020In: Class 10 Science

Define magnetic field lines.

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 1

Poll

Aadit

Asked: December 30, 2020In: Class 10 Science

Assertion (A): Magnetic field lines never intersect each other. Reason (R): There must not be two north directions at a point.

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 20

Amrita

Asked: December 30, 2020In: Class 10 Science

What is the frequency of ac in India?

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 2

Poll

Aadit

Asked: December 30, 2020In: Class 10 Science

Assertion (A): Every magnet has two poles–North and South. Reason (R): Like poles repel each other.

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 19

Aadvika

Asked: December 30, 2020In: Class 10 Science

What is an electromagnet? what materials are used to make electromagnet? Can we use steel to make electromagnet?

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Questions: Questions No: 3

Aadvika

Asked: December 30, 2020In: Class 10 Science

(a) State Fleming’s left hand rule. (b) Write the principle of working of an electric motor. (c) Explain the function (i) Armature (ii) Brushes (iii) Split ring.

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board long Questions: Questions No: 4

Poll

Amrita

Asked: December 29, 2020In: Class 10 Science

An alpha particle is diverted towards west is deflected towards north by a field. The field is magnetic. What will be the direction of field?

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 15

Poll

Amrita

Asked: December 29, 2020In: Class 10 Science

What happens to the current in short circuit?

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 14

What is earth wire? How it works in our domestic circuit?

Assertion (A): As the speed of the coil in the motor increases, there is reduction in the current flowing through it. Reason (R): During rotation in electric motor, some induced current is produced.

Define magnetic field lines.

Assertion (A): Magnetic field lines never intersect each other. Reason (R): There must not be two north directions at a point.

What is the frequency of ac in India?

Assertion (A): Every magnet has two poles–North and South. Reason (R): Like poles repel each other.

What is an electromagnet? what materials are used to make electromagnet? Can we use steel to make electromagnet?

(a) State Fleming’s left hand rule. (b) Write the principle of working of an electric motor. (c) Explain the function (i) Armature (ii) Brushes (iii) Split ring.

An alpha particle is diverted towards west is deflected towards north by a field. The field is magnetic. What will be the direction of field?

What happens to the current in short circuit?

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