Embibe Experts Solutions for Chapter: Magnetic Effects of Electric Current, Exercise 1: CBSE-2019
Embibe Experts Science Solutions for Exercise - Embibe Experts Solutions for Chapter: Magnetic Effects of Electric Current, Exercise 1: CBSE-2019
Attempt the practice questions on Chapter 13: Magnetic Effects of Electric Current, Exercise 1: CBSE-2019 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE solutions are prepared by Experienced Embibe Experts.
Questions from Embibe Experts Solutions for Chapter: Magnetic Effects of Electric Current, Exercise 1: CBSE-2019 with Hints & Solutions
Explain the function of the following parts of an electric motor.
Brushes
Explain the function of the following parts of an electric motor.
Split ring
State Fleming's left hand rule.
Draw the pattern of magnetic field lines produced around a current carrying straight conductor passing perpendicularly through a horizontal cardboard. State and apply right-hand thumb rule to mark the direction of the field lines. How will the strength of the magnetic field change when the point where magnetic field is to be determined is moved away from the straight conductor? Give reason to justify your answer.
The change in magnetic field lines in a coil is the cause of induced electric current in it. Name the underlying phenomenon.
Draw a labelled diagram to show how an electromagnet is made.
State the purpose of soft iron core used in making an electromagnet.
List two ways of increasing the strength of an electromagnet if the material of the electromagnet is fixed.
