Which of the following are essentials of a transistor biasing circuit?
1. Proper zero signal collector current flow
2. V_CE should not fall below 0.5 V for Germanium and 1 V for Silicon
3. Ensure stabilization of operating point
4. Loading to the source

A. Metals B. Semiconductors C. Insulators D. All of the above

A. Drift of holes B. Diffusion of holes C. Drift of electrons D. Diffusion of electrons

A. Both A and R are true and R is correct explanation of A B. Both A and R are true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true

A. Forward bias voltage B. Potential barrier C. Rate of thermal generation of electron hole pairs D. None of the above