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A p-n-p transistor is used in common emitter mode in an amplifier circuit. When base current is changed by an amount ∆Iв, then the collector current changes by 4 mA. If the current amplification factor is 60, then the value of ∆Iв is,
Options
(a) 15 μA
(b) 240 mA
(c) 66.6 μA
(d) 60 μA
Correct Answer:
66.6 μA
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.
- The refractive index of water, glass and diamond are 1.33, 1.50, 2.40 respectively
- The magnetic field due to a current carrying circular loop of radius 3 cm at a point
- A body is under stress F and has Young’s modulus Y, then the energy
- If doubly ionised lithium atom is hydrogen like with atomic number 3, the wavelength
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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