Advertisements
Advertisements
Question
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
Sum
Advertisements
Solution
V = IR or, I = `"V"/"R"`….(i)
If R is doubled,
Then, I' = `"V"/(2"R")` = `"I"/2"`……………(ii)
From (i) and (ii), it is clear that current will be halved.
shaalaa.com
Types of Circuits: Simple Circuit
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Write symbol and state function of following component in an electric circuit :
voltmeter
What do you understand by the term resistance?
'The resistance of a wire is 1 ohm'. Explain the meaning of this statement.
State SI unit of electric charge and define it.
What type of charge is produced on an ebonite rod when it is rubbed with a cat's fur?
Who first showed two kinds of charges and who gave them algebraic signs?
Consider three charged bodies A, B, and C. If A and B repel each other and A attracts C, what is the nature of force between B and C?
Write SI unit of
Electric current,
What is the difference between a cell and a battery?
What is the physical meaning of resistance?
