A: Like currents repel and unlike currents attract each other (in conductor).
R: Magnetic force acts in the direction of current.

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 the 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 solve the assertion and reason question, we will analyze both statements step by step.

### Step 1: Analyze the Assertion
The assertion states: "Like currents repel and unlike currents attract each other (in conductor)."

- When two parallel conductors carry currents in the same direction, they attract each other.
- When they carry currents in opposite directions, they repel each other.

**Conclusion for Assertion**: The assertion is incorrect because it states the opposite of what happens with like and unlike currents.

### Step 2: Analyze the Reason
The reason states: "Magnetic force acts in the direction of current."

- The magnetic force on a current-carrying conductor is not in the direction of the current. Instead, it is determined by the right-hand rule.
- According to the right-hand thumb rule, if you point your thumb in the direction of the current, your fingers curl in the direction of the magnetic field, and the force is perpendicular to both the current and the magnetic field.

**Conclusion for Reason**: The reason is also incorrect because it misrepresents the relationship between magnetic force and current direction.

### Final Conclusion
Since both the assertion and reason are false, the correct answer is that both statements are incorrect.

### Summary of Solution
- Assertion: Incorrect (like currents attract, unlike currents repel).
- Reason: Incorrect (magnetic force is perpendicular to the direction of current).
- Final Answer: Both assertion and reason are false.

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