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9th ICSE
IMPORTANT
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What is an electromagnet?

Important Questions on Magnetism

MEDIUM
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 10 - Magnetism>EXERCISE–10(B)>Q 2
Name the material used for preparing electromagnet.
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 10 - Magnetism>EXERCISE–10(B)>Q 3
How is an electromagnet is made? Name two factors on which the strength of the magnetic field of an electromagnet is depends.
MEDIUM
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 10 - Magnetism>EXERCISE–10(B)>Q 4
You are required to make an electromagnet from a soft iron bar by using a cell, an insulated coil of copper wire and a switch. Draw a circuit diagram to represent the process.
HARD
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 10 - Magnetism>EXERCISE–10(B)>Q 4
You are required to make an electromagnet from a soft iron bar by using a cell, an insulated coil of copper wire and a switch. Draw a circuit diagram to represent the process and label the poles of electromagnet.
MEDIUM
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 10 - Magnetism>EXERCISE–10(B)>Q 5

Question Image

The figure shows a coil wound around a soft iron bar X-Y. State the polarity at the ends X and Y as the switch is pressed.

EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 10 - Magnetism>EXERCISE–10(B)>Q 5

Question Image

The figure shows a coil wound around a soft iron bar X-Y. Suggest one way of increasing the strength of the electromagnet so formed.

 

MEDIUM
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 10 - Magnetism>EXERCISE–10(B)>Q 6
A coil of insulated copper wire is wound around a piece of soft iron and current is passed in the coil from the battery. What name is given to the device so obtained . Give one one use of the device mentioned by you.
MEDIUM
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 10 - Magnetism>EXERCISE–10(B)>Q 7
Show with the aid of a diagram how a wire is wound on U shaped piece of a soft iron in order to make it an electromagnet. Complete the circuit diagram and label the poles of the electromagnet.