EASY
10th CBSE
IMPORTANT
Earn 100

Give the relationship between magnetic field lines and the strength of the magnetic field.

Important Questions on Magnetic Effects of Electric Current

EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 4 - Part -1>Magnetic Effects of Electric Current>Q 3
Which of the two magnets is stronger: an electromagnet or a permanent magnet?
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 4 - Part -1>Magnetic Effects of Electric Current>Q 4
Which is more dangerous: AC or DC?
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 4 - Part -1>Magnetic Effects of Electric Current>Q 1
State the value of potential difference between the live wire and the neutral wire in our country.
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 4 - Part -1>Magnetic Effects of Electric Current>Q 2
State the difference between the wires used in the element of an electric heater and in a fuse.
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 4 - Part -1>Magnetic Effects of Electric Current>Q 3
Mention the angle between a current carrying conductor and magnetic field for which the force experienced by this current carrying conductor placed in magnetic field is maximum.
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 4 - Part -1>Magnetic Effects of Electric Current>Q 4
All the household appliances are connected in parallel. List two advantages of this type of arrangement.
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 4 - Part -1>Magnetic Effects of Electric Current>Q 5
A compass needle is placed near a current carrying wire. State your observation for the following cases and give reason for the same:
a. Electric current in the wire is increased.
b. The compass needle is moved away from the wire.
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 4 - Part -1>Magnetic Effects of Electric Current>Q 6

Write the answers for the questions given below.

a. Explain the function of the earth wire.
b. Why is it necessary to earth the metallic appliances?