Which of the following Statement(s) is/are correct?
I. A solenoid tends to expand, when a current passes through it
Two straight parallel metallic wires carrying current in same direction repel each other.

Options

A. Both I and II are correct
B. I Is correct and II Is Incorrect
C. I Is Incorrect and II Is correct
D. I and II both are incorrect

Answer

To analyze the given statements, we will evaluate each one based on the principles of electromagnetism.

### Step-by-Step Solution:

**Step 1: Evaluate Statement I - "A solenoid tends to expand when a current passes through it."**

- A solenoid is a coil of wire that generates a magnetic field when an electric current passes through it. The magnetic field produced by the current in a solenoid causes adjacent turns of the coil to exert forces on each other.
- When the current flows through the solenoid, the adjacent loops of the wire attract each other due to the magnetic field they create. This attraction causes the solenoid to contract rather than expand.
- Therefore, Statement I is **false**.

**Step 2: Evaluate Statement II - "Two straight parallel metallic wires carrying current in the same direction repel each other."**

- According to the right-hand rule, when two parallel wires carry current in the same direction, they create magnetic fields that interact with each other.
- The magnetic field produced by one wire exerts a force on the other wire. In this case, the force is attractive, meaning the wires pull towards each other rather than repel.
- Therefore, Statement II is also **false**.

**Conclusion:**
Both statements are incorrect. Thus, the correct answer is that both statements are false.

### Final Answer:
Both Statement I and Statement II are **false**.

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