EASY
10th Tamil Nadu Board
IMPORTANT
Earn 100

Name and define the SI unit of electric current.

Important Questions on Electricity

EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 4 - Electricity>TEXTBOOK EVALUATION>Q 2
Which instrument is used to measure the electric current? How should it be connected in a circuit?
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 4 - Electricity>TEXTBOOK EVALUATION>Q 3
State Joule's law of heating?
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 4 - Electricity>TEXTBOOK EVALUATION>Q 3
An alloy of nickel and chromium is used as the heating element. Why?
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 4 - Electricity>TEXTBOOK EVALUATION>Q 3
How does a fuse wire protect electrical appliances?
HARD
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 4 - Electricity>TEXTBOOK EVALUATION>Q 4
Explain about domestic electric circuit.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 4 - Electricity>TEXTBOOK EVALUATION>Q 5
What are the advantages of LED TV over the normal TV?
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 4 - Electricity>TEXTBOOK EVALUATION>Q 5
List the merits of LED bulbs.
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 4 - Electricity>TEXTBOOK EVALUATION>Q 1
An electric iron consumes energy at the rate of 420 W when heated at the maximum rate and 180 W when heated at the minimum rate. The applied voltage is 220 V. What is the current in each case?