EASY
10th Tamil Nadu Board
IMPORTANT
Earn 100

Distinguish between the resistivity and conductivity of a conductor.

Important Questions on Electricity

EASY
10th Tamil Nadu Board
IMPORTANT
What connection is used in domestic appliances and why?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
With the help of a circuit diagram derive the formula for the resultant resistance of three resistances connected in series.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
With the help of a circuit diagram derive a formula for the resultant resistance of three resistances connected in parallel.
EASY
10th Tamil Nadu Board
IMPORTANT
What is meant by electric current?
EASY
10th Tamil Nadu Board
IMPORTANT
Name and define the SI unit of electric current.
EASY
10th Tamil Nadu Board
IMPORTANT
Which instrument is used to measure the electric current? How should it be connected in a circuit?
EASY
10th Tamil Nadu Board
IMPORTANT
State Joule's law of heating?
EASY
10th Tamil Nadu Board
IMPORTANT
An alloy of nickel and chromium is used as the heating element. Why?