HARD
10th CBSE
IMPORTANT
Earn 100

Draw a V-I graph from given data and find resistance from the graph:
V (volt) 0 2 4 6 8 10
I (ampere) 0 1.0 0.5 1.5 2.0 2.5

Important Questions on Electricity

MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 3 - Electricity>EXERCISES>Q 2
State Joule’s Law of Heating and express it mathematically.
EASY
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 3 - Electricity>EXERCISES>Q 2
Resistivity of a copper wire is 1.62×10-8 Ω-m. If its length is doubled, find new resistivity. Give reason also.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 3 - Electricity>EXERCISES>Q 2
How much current flows through circuit, if 500 C of charge passes through it in 10 minutes ?
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 3 - Electricity>EXERCISES>Q 2
How much work is done in moving a charge of 12 C across two points at a potential difference of 5 V?
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 3 - Electricity>EXERCISES>Q 2
Find the amount of current flowing through a conductor, if  2.50×1019 electrons flow through it in 10 seconds.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 3 - Electricity>EXERCISES>Q 2
Find equivalent resistance for the given combination of resistors :
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EASY
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 3 - Electricity>EXERCISES>Q 2
A current of 0.4 A flows through a conductor. Find its resistance if a potential of 1 V is applied across it.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 3 - Electricity>EXERCISES>Q 2
A geyser is rated at 1000 W, 220 V. Find its resistance and current passing through it.