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ELCT 145-248349P - Basic Electronics Exam Prep Quiz

Total questions: 25

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

What is a semi-Conductor?

a)
A material with electrical conductivity between that of a conductor and an insulator
b)
A type of metal with low melting point
c)
A material with no electrical conductivity
d)
A material with high electrical resistance
2.

What is the Formula for Ohms Law?

a)

E = I + R

b)

E = I / R

c)

E = I - R

d)

E = I x R

3.

What is the formula to calculate Total Resistance in series?

a)

Total Resistance = R1 x R2 x R3 x ...

b)
Total Resistance = R1 + R2 + R3 + ...
c)
Total Resistance = R1 - R2 - R3 - ...
d)
Total Resistance = R1 / R2 / R3 / ...
4.

If RT = 380 Ohms, R1 = 134 Ohms, R3 = 34 Ohms, and R4 = 120 Ohms. What is R2?

a)
R2 = 200 Ohms
b)
R2 = 92 Ohms
c)
R2 = 50 Ohms
d)
R2 = 300 Ohms
5.

What is the tolerance of a gold band and a silver band of a resistor?

a)
+/- 7% for gold band and +/- 12% for silver band
b)
+/- 2% for gold band and +/- 15% for silver band
c)
+/- 3% for gold band and +/- 8% for silver band
d)
+/- 5% for gold band and +/- 10% for silver band
6.

What is the memorization tool for the bands of a resistor?

a)

Better Be Right And Your Great Big Wedding Goes Well

b)

Better Be Right Or Your Great Big Vacation Goes Wrong

c)

Better Be Right Or You Will Get The Next Question Wrong

7.

What is the value of a Red Blue Violet resistor?

(a)  

8.

What is a P-Type material?

a)
A type of metal used in construction
b)
A type of software for data analysis
c)
A type of animal found in the ocean
d)
A type of semiconductor material where the majority charge carriers are holes.
9.

What is an N-Type material?

a)
A type of semiconductor material where the majority charge carriers are positive protons
b)
A type of insulating material with no charge carriers
c)
A type of conductor material with no charge carriers
d)
A type of semiconductor material where the majority charge carriers are negative electrons.
10.

Name the sides of the diode

a)

Anode(Left) and Cathode(Right)

b)

North(Left) and South(Right)

c)

Cathode(Left) and Anode(South)

d)

South(Left) and North(Right)

11.

What is the voltage drop of a diode?

a)
0.7 volts for silicon diodes and around 0.3 volts for germanium diodes
b)
2 volts for silicon diodes and 1 volt for germanium diodes
c)
1.5 volts for silicon diodes and 0.5 volts for germanium diodes
d)
0.1 volts for silicon diodes and 0.5 volts for germanium diodes
12.

What is the voltage drop of an LED?

a)

1.7 volts

b)

1.2 volts

c)

1 volt

d)

5 volts

13.

What is the deference between an LED and Diode schematic?

a)
The difference is that an LED schematic includes the symbol for a diode with no arrows to indicate light emission.
b)
The difference is that an LED schematic includes the symbol for a diode with arrows pointing away from it to indicate light emission.
c)
The difference is that an LED schematic includes the symbol for a diode with a zigzag line to indicate light emission.
d)
The difference is that an LED schematic includes the symbol for a diode with arrows pointing towards it to indicate light emission.
14.

What is the difference between a Photo Diode and an LED?

a)
An LED converts light into an electrical current
b)
A Photo Diode emits light when an electric current passes through it
c)
A Photo Diode converts light into an electrical current, while an LED emits light when an electric current passes through it.
d)
A Photo Diode and an LED have the same schematic
15.

What is the Difference between an NPN transistor and a PNP transistor?

a)

The Emitter of the NPN is Negative While the Emitter of the PNP is Positive

b)

The Emitter of the NPN is Positive While the Emitter of the PNP is Negative

16.

What dictates the current flow of a transistor?

a)

Voltage applied to the emitter terminal

b)
The temperature of the room
c)

Voltage applied to the collector terminal

d)
Voltage applied to the base terminal
17.

What does a full wave rectifier require?

a)
A full wave rectifier requires transistors
b)
A full wave rectifier requires resistors
c)
A full wave rectifier requires capacitors
d)

A full wave rectifier requires a center-tapped transformer

18.

What does a capacitor do?

a)
Transmits sound waves
b)
Generates heat
c)
Stores and releases electrical energy
d)
Produces light
19.

What logic gate is this?

a)

Nor

b)

And

c)

Not

d)

Or

20.

What gate is this?

a)

And

b)

Or

c)

Not

d)

Nand

21.

What gate is this?

a)

Nand

b)

Nor

c)

Not

d)

And

22.

What gate is this?

a)

Nand

b)

Or

c)

And

d)

Nor

23.

What gate is this?

a)

Nand

b)

Or

c)

And

d)

Nor

24.

What is 10100011 in decimal form?

a)

35

b)

163

c)

135

d)

56

25.

What is 166 in binary form?

a)

01110100

b)

10000101

c)

10011010

d)

10100110

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