Worksheetsgeneral quiz
Total questions: 38
Worksheet time: 19mins
In the circuit shown below, the diode is protecting which component?
Lamp
relay
Transistor
Light Dependent Resistor
Which symbol shown in the figure is the TRIAC
A
B
C
D
In the following circuit shown below if the voltage VR2 = 6V, VR3 =2V, VR1 equal:
12
2
4
6
السؤالThe value of a resistor with 4 colors (Yellow – Violet – Brown – Gold) is
R = 47 Ω ± 5%
R = 470 Ω ± 10%
R = 470 Ω ± 5%
R = 47 Ω ± 10 %
Identify the gate terminal of the figure below
A
B
C
NON
Which of these circuits most likely uses a Triac?
Timer circuit
Dimmer circuit
Oscillator circuit
Amplifier circuit
The commonly used IC for TIMER applications is
555 IC
7805 IC
74xx IC
741 IC
The circuit shown is called:
Common Emitter Amplifier Circuit
Dimmer Switch Circuit
Light Activated Circuit
Dark Activated Circuit
For the multistage amplifier shown in the figure below calculate the (Overall Gain) equals
120
100
1000
10000
The circuit shown in figure is a
Wein bridge oscillator
Hartley Oscillator
Colpitts oscillator
RC Phase Shift Oscillator
If CE amplifier has an output of 10V and an Av of 100, calculate the input voltage.
20 mV
10 mV
100 mV
None of the all
The number of pins of 555 I.C is
6
8
12
14
The circuit shown in figure is
Wein bridge oscillator
Hartley Oscillator
Colpitts oscillator
RC OSCILLATOR
Which symbol shown in the figure is the DIAC
A
B
C
D
LED stands for
Light Emitter Diode
Light Emitting Diode
Light Energize Diode
None
For the symbol shown below, the meaning of MT is?
Main Track
Main Term
Main Task
Main Terminal
The component shown is
THYRISTOR
TRIAC
NPN Transistor
PNP Transistor
The circuit shown is called
Dimmer Circuit
Speed Control Circuit
Heat Control Circuit
Switching Circuit
The electronic component shown below is called?
Oscillator
Coil
Relay
Capacitor
Which terminal is the terminal 1 in 555 IC?
Ground
Power supply Vcc
Control voltage
Reset
The symbol show in figure is represent …
Variable Capacitor
Inductor
Variable resistor
Diode
What is the measurement unit of Capacitance?
Ampere
Farad
Ohm
Volt
السؤالIn the electrical circuit shown, what is the voltage drop across R3?
13 V
9 V
6 V
90 V
What is the measurement unit of Capacitance?
Volt
FARAD
AMPER
OHM
LDR stands for
Light Defective Resistor
Light Dependent Resistor
Light Deactivated Resistor
What is the function of Inductor?
Store magnetic energy
Store electrical energy
Resist the flow of current
Pass the current in one direction
It is a law that describes the relationship between voltage, current and resistor.
Newton’s law
Boyles law
Kirchhoff’s law
Ohm’s law
The colors of resistor equal to (320 Ω ± 10%) are
Orange – Red -Black - Gold
Orange – Red – Brown – Silver
Orange – Red – Red – Gold
Orange – Orange – Red – Silver
In the Dark activated circuit, how much is the voltage drop across Base and Emitter of Q1 when the Bulb is ON?
0.2 V
9 V
0.7 V
3 V
3200Ω could be converted to
3.2 KΩ
320 KΩ
0.32 Ω
32 Ω
What is the name of the component shown in figure?
Relay
Inductor
Transistor
Electrolytic Capacitor
The circuit shown in figure is a
Phase shift oscillator
Wein bridge oscillator
Hartley Oscillator
Colpitts oscillator
The circuit shown in figure is a
Colpitts oscillator
Wein bridge oscillator
Hartley Oscillator
Crystal Oscillator
What is the (Voltage Gain) of the following circuit
AV= -R2/R1
AV= 1- R2/R1
AV= R1/R2
AV= 1+R2/R1
السؤالthe Formula Shown in the Figure is used to Calculate The Frequency of
Colpitts Oscillator
Crystal Oscillator
Hartely Oscillator
RC Phase Shift Oscillator
Using the information given in the circuit, what is the potential difference across the battery?
16 V
10 V
4 V
6 V
Using the information given in the circuit, what is the potential difference across the battery?
16 V
10 V
4 V
6 V
In the circuit shown below, what is the state of relay connected?
Normally Open relay
Multi- state relay
Normally Close relay
