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 What will happen if a bar magnet is (i) pushed into the coil, (ii) withdrawn from inside the coil, (iii) held stationary inside the coil?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

Darahaas Das

Asked: October 28, 2020In: Class 10

How does a solenoid behave like a magnet? Can you determine the north and south poles of a current–carrying solenoid with the help of a bar magnet? Explain.

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-8

Darahaas Das

Asked: October 28, 2020In: Class 10

When is the force experienced by a current–carrying conductor placed in a magnetic field largest?

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-9

Darahaas Das

Asked: October 28, 2020In: Class 10

Imagine that you are sitting in a chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of 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-10

Darahaas Das

Asked: October 28, 2020In: Class 10

Draw a labelled diagram of an electric motor. Explain its principle and working. What is the function of a split ring in an electric motor?

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-11

Darahaas Das

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?

How does a solenoid behave like a magnet? Can you determine the north and south poles of a current–carrying solenoid with the help of a bar magnet? Explain.

When is the force experienced by a current–carrying conductor placed in a magnetic field largest?

Imagine that you are sitting in a chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of magnetic field?

Draw a labelled diagram of an electric motor. Explain its principle and working. What is the function of a split ring in an electric motor?

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