Question

According to Ohm's law relation between potential difference (V) and current (I) is

• A. \(V∝I\)
• B. \(V∝\frac{1}{I}\)
• C. \(V∝I^2\)
• D. \(V∝\frac{1}{I^2}\)

Answer 1

The Correct Option is A

To solve the problem, we need to find the correct relationship between potential difference \( V \) and current \( I \) according to Ohm's Law.

1. Understanding Ohm's Law:
Ohm's Law states that the potential difference across a conductor is directly proportional to the current flowing through it, provided the temperature and other physical conditions remain constant.

Mathematically, it is expressed as:
\( V = IR \)

2. Expressing the Proportionality:
From the equation \( V = IR \), we can write:
\( V \propto I \)
This shows a direct proportional relationship between voltage and current.

3. Elimination of Other Options:
- \( V \propto \frac{1}{I} \) is incorrect (inverse relation, not valid)
- \( V \propto I^2 \) is used in power calculation (not Ohm's law)
- \( V \propto \frac{1}{I^2} \) is also incorrect

Final Answer:
According to Ohm's Law, \( V \propto I \)