1) A schematic diagram shows the components of an electronic circuit by means of:
a. Symbol✔
b. Construction
c. Physical appearance
d. Linear appearance
2) What is the best place for electronic hand tools and equipment?
a. Tool box✔
b. Tool cabinet
c. Tool room
d. Tool bag
3) Imagine three resistors in parallel, with values of 22 ohms, 27 ohms, and 33 ohms. If a 12 V battery is connected across this combination, what is the current drawn from the battery?
a. 1.4 A
b. 15 mA
c. 150 mA
d. 1.5 A
4) Which of the following is a non-polarized electronic component?
a. Transistor
b. Resistor✔
c. Diode
d. Electrolytic capacitor
5) The voltage rating found in a capacitor is called ________.
a. Peak-reverse voltage
b. Working voltage✔
c. Blow-up voltage
d. Breakdown voltage
6) A diode is an electronic part that at all times is expected to do one of the following functions. Which one is it?
a. allow current to flow in both directions
b. multiply voltage
c. allow current to flow in one direction only✔
d. not allow any current flow
7) There are various types of diodes. This diode that acts as a regulator is the ________.
a. Silicon diode
b. Crystal diode
c. LED
d. Zener diode✔
8) You will find an electrode nearest the white band on a rectifier. What is it?
a. Anode
b. Cathode✔
c. Gate
d. Main Terminal
9) When a diode is tested and the reading is zero, it means the diode is ________.
a. Shorted✔
b. Open
c. Leaky
d. Good
10) If the transistor is an NPN type, the base is ________.
a. negative & positive
b. negative
c. positive✔
d. common
11) If the arrow of a transistor symbol is pointing inward it tells us that the transistor is:
a. NPN
b. PNP✔
c. Bipolar
d. Injunction
