Advertisements
Advertisements
Question
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
Short/Brief Note
Advertisements
Solution
The resistance of the wire will become 4 ohms.
shaalaa.com
Types of Circuits: Simple Circuit
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
n electrons flow through a cross section of a conductor in time t. If charge on an electron is e, then write an expression for the current in the conductor.
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
In which direction conventional current flows?
Draw a diagram showing two bulbs connected in parallel to a dry cell.
State two differences between charge and mass.
How do the charges interact?
Name any two basic properties of electric charge.
How many electrons are present in Na+? The atomic number of Na is 11.
A positively charged rod is brought near the cap of a positively charged gold leaf electroscope. State your observation and give a reason.
'The resistance of a wire is 2 ohm'. Explain the meaning of this statement.
What type of circuit is there in a torch light?
