MEDIUM
10th Gujarat Board
IMPORTANT
Earn 100

An electric refrigerator rated 400 W and an electric bulb rated 100 W operates10  hours/day. What is the cost of the energy to operate it for 10 days at Rs 8.00 per kWh

Important Questions on Electricity

EASY
10th Gujarat Board
IMPORTANT

When 2 A current is passing through a conductor in 10 seconds, 80 J heat is produced then find the resistance of conductor.

EASY
10th Gujarat Board
IMPORTANT
Which of the following is known as Joule's equation?
EASY
10th Gujarat Board
IMPORTANT
In one circuit, resistance of wire is 10 Ω. If it is connected with 2.5 V battery, how much electric current will flow through it?
EASY
10th Gujarat Board
IMPORTANT

Following figures shows graph of I-V. Which graph is correct according to Ohm's law?

Question Image

MEDIUM
10th Gujarat Board
IMPORTANT
Derive the equation of equivalent resistance of resistors connected in parallel.