EASY
10th CBSE
IMPORTANT
Earn 100

An electric iron is rated at 230 V, 750 W. Calculate the number of units of electricity it would use in 30 minutes.

Important Questions on Magnetic Effect of Electric Current

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 23
Which of the following fuse ratings would be suitable for the electric iron rated at 230 V, 750 W?
1 A, 3 A, 5 A, 13 A.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 24
What is the function of an earth wire? Why is it necessary to earth the metallic bodies of electrical appliances?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 25
What current is taken by a 3 kW electric geyser working on 240 V mains?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 25
What size fuse should be used in the 3 kW electric geyser circuit working on 240 V mains?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 26
Why are fuses fitted in the fuse box of a domestic electricity supply?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 26
What device could be used in place of the fuses?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Long Answer Type Questions>Q 27
Draw a labelled diagram to show the domestic electric wiring from an electric pole to a room. Give the wiring for a bulb and a three-pin socket only.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Long Answer Type Questions>Q 27
State two hazards associated with the use of electricity.