Advertisements
Advertisements
Question
State Ohm’s law.
Law
Advertisements
Solution
At constant temperature, the current flowing through a conductor is directly proportional to the potential difference across its ends.
In formula form: V = IR
Where:
- V = Voltage (potential difference)
- I = Current
- R = Resistance
shaalaa.com
Types of Circuits: Simple Circuit
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
What is a secondary cell?
What do you understand by the term resistance?
What do you understand by the term quantity of electric charge?
State and define the SI unit of electric current.
4 × 1020 electrons flow through a circuit in 10 hours. Calculate magnitude of current. [1 e- = 1.6 × 10-19 C]
Which is bigger: 1 C or magnitude of the charge on an electron?
Sometimes when you take off your nylon clothes, your hair stands on their end. Explain the observation.
Is current a scalar or a vector quantity?
Name two sources of current.
What is a variable resistance? Explain its function using a labeled diagram.
