Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
- Why is pure iron not used for making permanent magnets? Name any one m...
Text Solution
|
- Draw the lines of force of the magnetic field through and around singl...
Text Solution
|
- Draw the lines of force of the magnetic field through and around a sol...
Text Solution
|
- State Fleming's left hand rule. With the help of a labelled diagram de...
Text Solution
|
- What is an electromagnet? What does it consist of?
Text Solution
|
- The best material to make permanent magnet is
Text Solution
|
- Name one metal each to make a permanent magnet and a temporary magnet.
Text Solution
|
- Describe an activity to show that you can make an electromagnet in you...
Text Solution
|
- What is meant by magnetic field? Mention two parameters that are neces...
Text Solution
|
- What are magnetic field lines? How is the direction of a magnetic fiel...
Text Solution
|
- Describe an activity to demonstrate the direction of the magnetic fiel...
Text Solution
|
- Using Biot-Savart's law, derive an expression for magnetic field at th...
Text Solution
|
- What is an electromagnet?
Text Solution
|
- What is an electromagnet ? List any of its two uses?
Text Solution
|
- Draw a labelled diagram to show how an electromagnet is made.
Text Solution
|
- What is the purpose of the soft iron core used in making an electroma...
Text Solution
|
- What are magnetic field lines? How is the direction of a magnetic fiel...
Text Solution
|
- Draw the lines of force of the magnetic field through and around singl...
Text Solution
|
- Consider a circular loop of wire lying in the plane of the table, let ...
Text Solution
|
- Identify the nature of poles of the magnets in a given figures.
Text Solution
|