In a common base transitor amplifier, the input and the output resistance area `500Omega` and `40kOmega` and the emitter current is `1.0mA` find the input and the output voltages. Given `alpha=0.95`.

Explanation

To solve the problem, we need to find the input voltage \( V_i \) and the output voltage \( V_o \) of a common base transistor amplifier given the input resistance \( R_{in} = 500 \, \Omega \), output resistance \( R_{out} = 40 \, k\Omega \), emitter current \( I_E = 1.0 \, mA \), and current gain \( \alpha = 0.95 \).

### Step-by-Step Solution:

1. **Identify Input Current**:
In a common base configuration, the emitter current \( I_E \) is equal to the input current \( I_{in} \).
\[
I_{in} = I_E = 1.0 \, mA = 1.0 \times 10^{-3} \, A
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