EASY
10th CBSE
IMPORTANT
Earn 100

Define electric current. State and define its SI unit. 

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
How is the direction of electric current related to the direction of flow of electron in a wire?
EASY
10th CBSE
IMPORTANT
What is an ammeter? How is it connected in a circuit?
EASY
10th CBSE
IMPORTANT
What do you understand by the term electric potential? What is the unit of electric potential?
EASY
10th CBSE
IMPORTANT

State the formula showing how the current I in a conductor varies when the potential difference applied across it is increased stepwise

EASY
10th CBSE
IMPORTANT
Show the relationship on a schematic graph how the current I in a conductor varies when the potential difference V applied across it is increased stepwise
EASY
10th CBSE
IMPORTANT
Express Ohm’s law both by a mathematical formula and by a graph line.
EASY
10th CBSE
IMPORTANT
What is the necessary condition for a conductor to obey Ohm’s law?