What is a solenoid?

Important Questions on Magnetic Effects of Electric Current

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>IMPORTANT QUESTIONS>Q 20

What is the effect of inserting a soft iron core inside a current-carrying solenoid?

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>IMPORTANT QUESTIONS>Q 21

How will the magnetic field intensity at the centre of a circular coil carrying current change, if the current through the coil is doubled.

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>IMPORTANT QUESTIONS>Q 22

Determine the polarity of the solenoid from the figure.

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>IMPORTANT QUESTIONS>Q 23

How can a solenoid be used to magnetise a steel bar?

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>IMPORTANT QUESTIONS>Q 24

What is an electromagnet?

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>IMPORTANT QUESTIONS>Q 25

On what effect of electric current does an electromagnet work?

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>IMPORTANT QUESTIONS>Q 26

Give two uses of electromagnets.

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>IMPORTANT QUESTIONS>Q 27

Name any two devices which use permanent magnets.