EASY
10th CBSE
IMPORTANT
Earn 100

Define ohm’s law.

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
What is the order of drift velocity of electrons in a metal?
MEDIUM
10th CBSE
IMPORTANT
On what factors does the resistance of a conductor depend at a given temperature?
EASY
10th CBSE
IMPORTANT
When the length of a conductor is doubled, how does the resistance of the conductor change?
EASY
10th CBSE
IMPORTANT
When the cross-sectional area of a conductor is doubled, how does the resistance of the conductor change?
EASY
10th CBSE
IMPORTANT
V-I graph of a conductor is a straight line, with V on X- axis and I on Y- axis, what does the slope of line represent?
EASY
10th CBSE
IMPORTANT

Why does the filament of bulb is made of tungsten?

MEDIUM
10th CBSE
IMPORTANT
What is the difference between resistance and resistivity?
EASY
10th CBSE
IMPORTANT

Why are copper and aluminium metals used for making electrical wires?