Lesson: Chapter 11 — Electronics

The transistor at work 4 of 5 Reset answers

Clear all your answers?

This erases every answer in this set and starts you again at question one. Your score will be gone.

Type these four numbers to confirm:

Those numbers don't match. Look at them again and type them.

Yes, clear Keep them

Question 4

At about what base-emitter voltage does a silicon transistor switch on?

A 3 V B 6 V C 0.1 V D 0.7 V

The right answer is the one marked above.

0.7 V. Below it no collector current flows; above it the transistor is fully on.

Answer the question to continue.