Why is pure iron not used for making permanent magnets?

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>Test Your Self Exercise 1>Q 1

Name the device which converts electrical energy into mechanical energy.

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>Test Your Self Exercise 1>Q 2

List the properties of magnetic field lines.

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>Test Your Self Exercise 1>Q 3

State the factors on which magnetic field produced at the centre of a current carrying loop depends.

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>Test Your Self Exercise 1>Q 4

State right-hand thumb rule.

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>Test Your Self Exercise 1>Q 5

What are the uses of an electromagnet?

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>Test Your Self Exercise 1>Q 6

With the help of formula mention the factors upon which force experienced by a current carrying conductor placed in a magnetic field depends.

MEDIUM

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>Test Your Self Exercise 1>Q 7

Describe the principle and working of a DC motor with the help of a diagram.

EASY

10th CBSE

IMPORTANT

Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 2 - Magnetic Effects of Electric Current>Test Your Self Exercise 2>Q 1

What is the value of frequency of the AC supply in India?