MCEDD Midterm Quiz 2

1. What does the abbreviation “LED” stand for?

• • a) Light Emitting Diode

• • b) Low Energy Device

• • c) Linear Electronic Device

• • d) Light Energy Divider

1. Which of the following is NOT a standard electronic component?

• • a) Resistor

• • b) Capacitor

• • c) Amplifier

• • d) Inductor

1. What symbol is commonly used to represent a fuse in circuit diagrams?

• • a) Zigzag line

• • b) Rectangle with a line through it

• • c) S-shaped curve

• • d) Two parallel lines

1. Which component stores electric charge?

• • a) Resistor

• • b) Capacitor

• • c) Transistor

• • d) Diode

1. The abbreviation “PCB” stands for:

• • a) Printed Circuit Board

• • b) Power Control Box

• • c) Parallel Circuit Bridge

• • d) Passive Current Booster

1. Which color code represents a resistor value of 1kΩ?

• • a) Brown, Black, Red

• • b) Red, Black, Brown

• • c) Orange, Orange, Black

• • d) Yellow, Violet, Red

1. An NPN transistor is identified by:

• • a) Current flows from emitter to collector

• • b) Current flows from collector to emitter

• • c) Current flows from base to emitter

• • d) None of the above

1. What is the main purpose of a diode?

• • a) To amplify current

• • b) To store charge

• • c) To allow current in one direction only

• • d) To resist current

The symbol for a resistor is a zigzag or rectangle shape.

• True

• False

“IC” stands for Integrated Circuit.

• False

• True