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A semiconductor device is connected in a series circuit with a battery and a resistance. A current is found to pass through the circuit. If the polarity of the battery is revered, the current drops almost to zero. The device may be

a)

A -type semiconductor

b)

An -type semiconductor

c)

A  junction

d)

An intrinsic semiconductor



Question ID - 151969 | SaraNextGen Top Answer

A semiconductor device is connected in a series circuit with a battery and a resistance. A current is found to pass through the circuit. If the polarity of the battery is revered, the current drops almost to zero. The device may be

a)

A -type semiconductor

b)

An -type semiconductor

c)

A  junction

d)

An intrinsic semiconductor

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

The reverse biasing of  junction supports the barrier voltage. Due to which the current through the junction due to majority carriers becomes nearly zero.

127 votes


127