Advertisements
Advertisements
प्रश्न
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
Advertisements
उत्तर
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.
APPEARS IN
संबंधित प्रश्न
Name one D.C. source and one A.C. source.
What is the function of a key (or switch) in an electric circuit?
What do you understand by the term electric current?
State and define the SI unit of electric current.
State the relation between electric current; the number of electrons moving in a circuit and time in seconds.
How electric current flows in solids?
What amount of work is required in moving 3 C charge through a potential difference of 6 V?
Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.
