MHT CET 2025 Physics question

Not in JEE Advanced syllabus

In an n-p-n transistor amplifier, the collector current is 9 mA. If 90% of the electrons emitted reach the collector, then

Answer: (C)

Solution

Since 90% of the electrons emitted (emitter current ) reach the collector, . Then mA and the base current is mA. Current gain

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Question ID VK-101116