Assertion : When two semiconductor of p-type and n- type are brought in contact, they form p-n junction which act like a rectifier. Reason: A rectifier is used to convert alternating current into direct current.

Assertion is true, Reason is true; Reason is a correct explanation for Assertion

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Assertion is true, Reason is true; Reason is not a correct explanation for Assertion

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Assertion is true, Reason is false

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Assertion is false, Reason is true

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Solution

The correct option is B Assertion is true, Reason is true; Reason is not a correct explanation for Assertion
Study of junction diode characteristics shows that the junction diode offers a low resistance path, when forward biased and high resistance path when reverse biased. This feature of the junction diode enables it to be used as a rectifier.

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