p-n junction is said to be forward biased, when

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p-n junction is said to be forward biased, when

1. the positive pole of the battery is joined to the p-semiconductor and negative pole to the n-semiconductor
2. the positive pole of the battery is joined to the n-semiconductor and p-semiconductor joined to negative pole of the battery
3. the positive pole of the battery is connected to n- semiconductor and p-semiconductor is connected to the positive pole of the battery
4. a mechanical force is applied in the forward direction

Correct Option: A

For forward biasing of p-n junction, the positive terminal of external battery is to be connected to p-semiconductor and negative terminal of battery to the n-semiconductor.