In a straight conducting wire, a constant current is flowing from left to right due to a source of emf. When the source is switched off, the direction of the induced current in the wire will.........

Explanation

To solve the problem of determining the direction of the induced current in a straight conducting wire when a constant current flowing from left to right is switched off, we can follow these steps:

### Step 1: Understand the Initial Condition
Initially, a constant current \( I \) is flowing from left to right in a straight conducting wire due to a source of electromotive force (emf). This current creates a magnetic field around the wire.

**Hint:** Remember that a current-carrying wire generates a magnetic field around it, which is essential for understanding the effects of changing currents.

### Step 2: Identify the Change in Current
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