(Solved): The following figure shows biasing with base resistor method. (a) Determine the Q-point. Given tha ...

The following figure shows biasing with base resistor method. (a) Determine the Q-point. Given that \( V_{B E}=0.7 \mathrm{~V} \) and \( \beta=75 \). (b) If \( R_{B} \) in the circuit is changed to \( 50 \mathrm{k} \Omega \), find the new operating point.