EASY
10th CBSE
IMPORTANT
Earn 100

Out of the three wires live, neutral and earth, switch is connected in which wire.

Important Questions on Magnetic Effects of Electric Current

EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Assignment-4>Q 7
Mention the colour convention of live, neutral and earth wire.
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Assignment-4>Q 8
Name the condition in which live wire comes in direct contact with neutral wire? What happens in this condition ?
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Assignment-4>Q 9
State the function of a fuse in a circuit. How is it connected in the domestic circuit?
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Assignment-4>Q 10
What are the causes of short circuiting?
HARD
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Assignment-4>Q 11
When is an electric circuit said to be overloaded? State two measures to avoid it. What name is given to a situation in which the live and the neutral wires accidently come in contact? State the role of a safety device in this situation.
MEDIUM
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Assignment-4>Q 12

(a) Draw a schematic diagram of common domestic circuit.

(b) State the function of fuse and earth wire.

MEDIUM
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>Assignment-4>Q 13

(a) State the rule to determine the direction of

     (i) magnetic field produced around a straight conductor carrying current.

    (ii) force experienced by current-carrying straight conductor placed in a magnetic field which is perpendicular to it.

   (iii) current induced in a coil due to its rotation in a magnetic field.

(b) What is the function of an earth wire? Why is it necessary to earth metallic appliances?

MEDIUM
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 4 - Magnetic Effects of Electric Current>NCERT Exemplar Problems>Q 1

Choose the incorrect statement from the following regarding magnetic lines of field