Physics
While performing an experiment, a student reduces the resistance to one half keeping the potential difference same. New reading of the current will be :
- half
- double
- four times
- one fourth
Related Questions
Upon increasing the temperature, the resistance of a wire :
- decreases
- does not change
- increases
- first increases then decreases
The resistance of a conductor would be …………… if a current of 2 A flows through it when the potential difference across its ends is 2 volt.
- 2Ω
- 0Ω
- 1Ω
- 4Ω
What is the other name for the unit :
(a) Joule per Coulomb
(b) Coulomb per second
For what purpose is a battery connected in a circuit?