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In the following circuit diagram, the current through the battery is

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Important Questions on Electronic Devices

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BITSAT
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Electronic Devices>BITSAT 2018>Q 2
At a certain temperature, the number density of charge carriers in a semiconductor is n. When an electric field is applied to it, the charge carriers drift with an average speed v. If the temperature of the semiconductor is raised.
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Electronic Devices>BITSAT 2018>Q 3

In the given circuit, The current through battery is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Electronic Devices>BITSAT 2017>Q 4
A common emitter amplifier has a voltage gain of 50, an input impedance of 100 Ω and an output impedance of 200 Ω. The power gain of the amplifier is