WorksheetsElectronics by Sir AL
Total questions: 15
Worksheet time: 5mins
A schematic diagram shows the components of an electronic circuit by means of :
Symbol
Physical Appearance
Construction
Linear
What is the best place for electronic hand tools and equipment?
Tool box
Tool Room
Tool Cabinet
Tool Bag
Which of the following is a non-polarized electronic component?
Transistor
Diode
Resistor
Electronic Capacitor
The voltage rating found in a capacitor is called _____
Peak-reverse voltage
Blow-up voltage
Working voltage
Breakdown voltage
A diode is an electronic part that at all times is expected to do one of the following functions. Which one is it?
allow current to flow in both direction
multiply voltage
allow current to flow in one direction only
not allow any current flow
There are various types of diodes. This diode that acts as a regulator is the ____
Silicon Diode
LED
Crystal Diode
Zener Diode
You will find an electrode nearest the white band on a rectifier. What is it?
Anode
Gate
Cathode
Main terminal
When a diode is tested and the reading is zero, it means the diode is____
Shorted
Leaky
Open
Good
If the transistor is an NPN type, the base is _____
Negative and Positive
Positive
Negative
Common
If the arrow of a transistor symbol is pointing inward. It tells us that the transistor is_____
NPN
Bipolar
PNP
Injunction
In the electronic symbol of a transistor, the electrode with an arrow is the :
Emitter
Collector
Base
Cathode
The production of magnetic field by current in a conductor is _____
Electromagnetism
Magnetism
Ferromagnetism
Diamagnetism
Printed on the dial of an AM radio is an RF band covering _____
kHz 76 - 90 MHz
16 Hz - 20 Hz
88-108 MHz
535 - 1,605 kHz
An ordinary radio can be tuned to different stations. The electronic component responsible for this function is the _____
Tuning Capacitor
IF transformer
Oscillator coil
Detector Diode
Working efficiently is a good work habit. Tinning the tip of a soldering iron refers to:
Cleaning the tip with a sand paper
Making the tip pointed
Cutting the tip
Applying flux to the tip.
