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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
- A coil has resistance 30 ohm and inductive reactance 20 ohmn at 50 Hz frequency.
- A Carnot engine, having an efficiency of η=1/10 as heat engine, is used
- A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless
- The instantaneous values of alternating current and voltages in a circuit are given as
- An object is placed 30 cm away from a convex lens of focal length 10 cm and a sharp
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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