Question:medium
For a common emitter transistor amplifier, the voltage across the collector resistance is 2.8 V. If the current amplification factor of the transistor is 70 and the collector resistance is 2 k$\Omega$, then the base current is
For a common emitter transistor amplifier, the voltage across the collector resistance is 2.8 V. If the current amplification factor of the transistor is 70 and the collector resistance is 2 k$\Omega$, then the base current is
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Transistor formulas: $I_E = I_B + I_C$ and $I_C = \beta I_B$.
Updated On: Mar 31, 2026
- 20 $\mu$A
- 30 $\mu$A
- 10 $\mu$A
- 40 $\mu$A
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The Correct Option is A
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