1.
How many fixed value resistors does this power supply circuit use?
2.
How many NPN transistors does this power supply circuit use?
3.
What kind of voltage does this power supply output, AC or DC?
4.
What component do you adjust in this circuit to vary the output voltage?
5.
50mA is the same as 50 __________________ .
6.
The Potentiometer controls the voltage on the ___________ of the transistor.
7.
The voltage on the BASE of the transistor controls the internal resistance between the COLLECTOR and the _______________ .
8.
How many LEDs are used in this circuit?
9.
In this circuit, resistor R3 is a ____________ .
10.
The transistor in this circuit is an NPN or a PNP?