MHT-CET

AI Gen: Semiconductors question bank (Physics)

Practice 18 free MHT-CET Physics - AI Gen: Semiconductors questions with answers and step-by-step solutions.

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Q1.

In a pure semiconductor at room temperature, the number of holes is 4 * 10^19 per cubic meter. The total number of charge carriers in the semiconductor is:

Topic: Semiconductors | Source: AI Generated (MHT-CET)

(A)
Zero
(B)
4 * 10^19 per cubic meter
(C)
8 * 10^19 per cubic meter
(D)
2 * 10^19 per cubic meter
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Q2.

A full wave rectifier uses 2 diodes with a transformer having a center-tapped secondary winding. The input frequency is 50 Hz. The output frequency of the rectifier is:

Topic: Semiconductors | Source: AI Generated (MHT-CET)

(A)
25 Hz
(B)
50 Hz
(C)
100 Hz
(D)
200 Hz
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