In the following question a statement of assertion (A) is followed by a statement of reason (R )
A: Absolute value of potential is not defined
R : Two equipotential lines cannot intersect each other.

Options

A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion , then mark (1).
B. If both Assertion & Reason are true but the reason is not correct explanation of the assertion then mark (2)
C. If Assertion is true statement but Reason is false, then mark (3)
D. If both Assertion and Reason are false statements , then mark (4).

Answer

To analyze the given assertion (A) and reason (R), let's break it down step by step.

### Step 1: Understand the Assertion
The assertion states that "the absolute value of potential is not defined."

- **Explanation**: In electrostatics, electric potential is defined relative to a reference point. Typically, we choose a point at infinity or another point in the field as our reference where we define the potential to be zero. Therefore, we can only talk about potential differences between two points rather than an absolute value of potential at a point.

### Step 2: Understand the Reason
The reason states that "two equipotential lines cannot intersect each other."

- **Explanation**: Equipotential lines represent points in space where the electric potential is the same. If two equipotential lines were to intersect, it would imply that there are two different potentials at the same point in space, which is not possible. Therefore, equipotential lines cannot intersect.

### Step 3: Evaluate the Assertion and Reason
Now, we need to evaluate whether the assertion and the reason are true or false.

- **Assertion (A)**: True. The absolute value of potential is indeed not defined without a reference point.
- **Reason (R)**: True. Equipotential lines cannot intersect each other.

### Step 4: Determine the Relationship
Next, we need to determine if the reason supports the assertion.

- The assertion talks about the definition of absolute potential, while the reason discusses the properties of equipotential lines. Although both statements are true, the reason does not provide support for the assertion.

### Conclusion
Thus, we conclude that:
- Assertion (A) is true.
- Reason (R) is true.
- However, reason (R) does not support assertion (A).

### Final Answer
The correct answer is that the assertion is true, the reason is true, but the reason does not support the assertion.

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