HARD
Earn 100

What do you mean by electromagnet? Write its uses.

Important Questions on Electric Current and Its Effects

EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
Give two practical applications of an electromagnet.
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
List two ways of increasing the strength of an electromagnet if the material of the electromagnet is fixed.
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
What is an electromagnet? State it's one of practical use.
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet

What is an electromagnet? Draw a circuit diagram to show how a soft iron piece can be transformed into an electromagnet.

EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
Indian scientist known for research on cosmic rays and nuclear energy
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
State the differences between electromagnet and permanent magnet. (Give any three points).
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
State any two advantages of electromagnets over permanent magnets.
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
State the purpose of soft iron core used in making an electromagnet.
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
Draw a labelled diagram to show how an electromagnet is made.
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
What is an electromagnet? List any two uses of it.
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
The magnetic effect of electric current was discovered by
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
The Magnetic effect of current was discovered by
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet

Observe the following diagram and choose the correct alternative.

Question Image

MEDIUM
Science>Physics>Electric Current and Its Effects>Electromagnet

Write the odd-one-out giving reason.

Heating effect of current, Bulb, Toaster, Electric iron, Electromagnet, Nichrome wire.

MEDIUM
Science>Physics>Electric Current and Its Effects>Electromagnet
In what ways, a solenoid is different from an electromagnet?  
MEDIUM
Science>Physics>Electric Current and Its Effects>Electromagnet
Which of the following is the strongest electromagnet?
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
Which metal is used for making the core of an electromagnet?
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
Which one of the following is a magnetic effect of electric current?
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
Which of the following statements is correct about electromagnet?
EASY
Science>Physics>Electric Current and Its Effects>Electromagnet
Of what material is the core of an electromagnet made of?