ICSE Worksheet for chapter-16 Electro Magnetism class 10

Worksheet For class 10

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Summary

• MAGNETISM - Properties of Magnets; Poles of Magnet
• Magnetic field lines
• Magnetic effect of current
• Permanent and temporary magnets

Section 1 - Objective

Q1. When a bar magnet is broken into two pieces:

1. We will have a single pole on each piece
2. Each piece will have two unlike poles
3. Each piece will have two like poles
4. None of these

Q2. The magnetic field intensity produced due to a current carrying coil is maximum at :

1. Any point
2. The centre of the coil
3. Any point lying on the axis of the coil
4. Points lying between centre of the coil and its circumference

Q3. The direction of magnetic lines of force produced by passing a direct current through a the conductor is

1. Perpendicular to the conductor and coming outwards
2. Parallel to conductor
3. Concentric circular around the conductor
4. All the above

Q4. A magnetic compass is placed at a point near a bar magnet. Direction of magnetic field at due to the magnet that point will be:

1. Tangential to compass needle
2. Normal to compass needle
3. Towards the south pole of compass needle
4. None of these

Q5. Magnetic field is:

1. Scalar
2. Vector
3. Sometimes scalar sometimes vector
4. Nothing can be said

Q6. A length of wire carries steady current. It is bent first to form circular plane coil of one turn. The same length is now bent to give a double loop of smaller radius. The magnetic field produced at the centre by the same current will be:

1. A quarter of its value
2. A half of first value
3. Four times its first value
4. Unaltered

Q7. Space around a magnet in which the presence can be felt by other magnet or magnetic material is called

1. Electric field
2. Magnetic field
3. Magnetic flux
4. None of these

Q8. Magnetic field lines are drawn with the help of:

1. Any magnet
2. Magnetic compass
3. Galvanometer
4. Ammeter

Q9. A current carrying wire carries current from west to east. What will be the direction of magnetic field 1m above it?

1. North to south
2. South to west
3. East to west
4. West to east

Q10. If magnetic line of force are emerging out from a face of circular current carrying conductor then that face will behave as:

1. North pole
2. South pole
3. North pole for some time and then south pole
4. Nothing can be said

Section 2 - Objective

• Q1. State the rule that is used to find the direction of magnetic field acting at a point near a current carrying straight conductor.
• Q2. What kind of magnetic field is produced due to a current carrying solenoid?
• Q3. What are the factors on which the magnetic field due to a current carrying solenoid depends?
• Q4. Distinguish between Temporary magnets and Permanent magnets.
• Q5. State the properties of magnets.

Solutions for Section 1 & 2

Objective

Subjective

1. 40W