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Semiconductor Electronics · Question 103

AIPMT 2002MCQEasy📈 Topic in 12% papers+4−1
1

For a transistor ICIE = 0.96, then current gain for common emitter is

  1. 12
  2. 6
  3. 48
  4. 24

Answer

(4) 24

Solution

Given = ICIE = 0.96

Current gain in common-emitter configuration:

= ICIB = 1 -

= 0.961 - 0.96

= 0.960.04 = 24

Answer: (4)

Out of syllabusAIPMT 2002

Keep practising — Semiconductor Electronics

2

The given truth table is for which logic gate [figure]

  1. NAND
  2. XOR
  3. NOR
  4. OR
AIPMT 2001
3

The current in the circuit will be [figure]

  1. 540 A
  2. 550 A
  3. 510 A
  4. 520 A
AIPMT 2001
4

For a common base circuit if ICIE = 0.98 then current gain for common emitter circuit will be

  1. 49
  2. 98
  3. 4.9
  4. 25.5
Out of syllabusAIPMT 2001
5

From the following diode circuits, which diode is in forward biased condition?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2000
6

The correct relation between and for a transistor is

  1. = 1-
  2. = 1-
  3. = -1
  4. = 1
Out of syllabusAIPMT 2000

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