In the BJT circuit shown, beta of the PNP transistor is 100 . Assume $V_{B E}=-0.7 \mathrm{~V}$. The voltage across $R_C$ will be 5 V when $R_2$ is $\_\_\_\_$ $\mathrm{k} \Omega$. (Round off to 2 decimal places)

A transistor circuit is given below. The Zener diode breakdown voltage is $$5.3$$ $$V$$ as shown. Take base to emitter voltage drop to be $$0.6$$ V. The value of the current gain $$\beta $$ is ________.

In the given circuit, the silicon transistor has $$\beta $$ $$=75$$ and a collector voltage $${V_C} = 9\,V.$$ Then the ratio of $${R_B}$$ and $${R_C}$$ is ___________.

When a bipolar junction transistor is operating in the saturation mode, which one of the following statements is TRUE about the state of its collector-base (CB) and the base-emitter (BE) junctions?