Physics Teacher

Poll

Mayra Sharma

Asked: October 30, 2020In: Class 10

The phenomenon of electromagnetic induction is

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-240 Questions No-2

Darahaas Das

Asked: October 30, 2020In: Class 10

A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is (i) pushed into the coil, (ii) withdrawn from inside the coil, (iii) held stationary inside the coil?

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-241 Questions No-13

Darahaas Das

Asked: October 30, 2020In: Class 10

Two circular coils A and B are placed closed to each other. If the current in the coil A is changed, will some current be induced in the coil B? Give reason.

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-241 Questions No-14

Darahaas Das

Asked: October 30, 2020In: Class 10

State the rule to determine the direction of a (i) magnetic field produced around a straight conductor-carrying current, (ii) force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it, and (iii) current induced in a coil due to its rotation in a magnetic field.

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-241 Questions No-15

Darahaas Das

Asked: October 30, 2020In: Class 10

Explain the underlying principle and working of an electric generator by drawing a labelled diagram. What is the function of brushes?

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-241 Questions No-16

Darahaas Das

Asked: October 30, 2020In: Class 10

When does an electric short circuit occur?

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-241 Questions No-17

Darahaas Das

Asked: October 30, 2020In: Class 10

What is the function of an earth wire? Why is it necessary to earth metallic appliances?

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-241 Questions No-18

Poll

Mayra Sharma

Asked: October 28, 2020In: Class 10

The essential difference between an AC generator and a DC generator is that

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-240 Questions No-4

Poll

Mayra Sharma

Asked: October 28, 2020In: Class 10

At the time of short circuit, the current in the circuit

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-240 Questions No-5

Mayra Sharma

Asked: October 28, 2020In: Class 10

State whether true or false An electric motor converts mechanical energy into electrical energy.

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-240 Questions No-6 Part 1

Physics Teacher

The phenomenon of electromagnetic induction is

A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is (i) pushed into the coil, (ii) withdrawn from inside the coil, (iii) held stationary inside the coil?

Two circular coils A and B are placed closed to each other. If the current in the coil A is changed, will some current be induced in the coil B? Give reason.

Explain the underlying principle and working of an electric generator by drawing a labelled diagram. What is the function of brushes?

When does an electric short circuit occur?

What is the function of an earth wire? Why is it necessary to earth metallic appliances?

The essential difference between an AC generator and a DC generator is that

At the time of short circuit, the current in the circuit

State whether true or false An electric motor converts mechanical energy into electrical energy.

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