In the following common emitter circuit, if β = 100 , V CE = 7 V , R C = 2 k Ω and V BE is negligible, then I B is

Question

In the following common emitter circuit, if β = 100 , V CE = 7 V , R C = 2 k Ω and V BE is negligible, then I B is, 0.01 mA, 0.04 mA, 0.02 mA, 0.03 mA

MARKS App · Accepted Answer

V = V C E + I C R C ⇒ 15 = 7 + I C × 2 × 10 3 ⇒ I c = 4 m A ∵ β = I C I B ⇒ I B = 4 100 = 0.04 m A

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