Practice Questions for Module 4
Name:
______________________________
Grade and Section:
_____________________
Question1 :Draw a sine wave and mark its cycle, peak value, peak-topeak value and period. (2 marks)
Peak-to-Peak Voltage
Peak Voltage
One Cycle
1 Question 2: Study the waveform below and calculate the required
parameters (10 marks)
a) What is the volts/div:
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!"
= = !. !"!/!"#
!"#
!"#$
b) What is the time/div:
!"#$
!"#$
= = !!"/!"#
!"#
!"#$
c) What is the peak voltage:
!
!"# = !. !"
∗ !"#$ = !. !" ! !"#
d) What is the peak to peak voltage:
!"# − !" = ! ∗ !!" = ! ∗ !. !"# = !". !"! e) What is the time period and frequency:
!"#$ !"#$%& = !"#! !
!
!
!"#$%#&'( = = =
= !" !"
!"#$ !"#$%&
!"#$ !" ∗ !"!! !
2 Question 3: Study the waveform below and calculate the required
parameters
Where: Volt/div = 2 V and Time/div= 500 ms (6 marks)
a) What is the peak voltage:
!
!"# = !
∗ !!"# = !" ! !"#
b) What is the peak to peak voltage:
!"# − !" = ! ∗ !"# = ! ∗ !"# = !"#
c) What is the time period and frequency:
!"#$ !"#$%& = !""#$ ∗ ! = !"##$%
!
!
!
!"#$%#&'( = = =
= !. ! !"
!"#$ !"#$%&
!"##$% !"## ∗ !"!! !
3 Question 4: Draw the required connections for measuring battery
voltage and current going through the circuit. Indicate also – on the
figure – the multi meter setting. (6 marks)
Question 5: Identify the cathode and anode of the diode shown below if
the multi meter reading is 250 mV. Also identify the type of the diode (Ge
or Si). (2 marks)
Anode Cathode Diode type: _GE Diode____________
4 Question 6: Complete the pictures below: (3 marks)
Device
Voltmeter
Circuit Symbol
V Ammeter
Ohmmeter
Function
Measure voltage
Measure Current
Ω Measure
resistance
Write the missing numbers on the multi meter for the continuity test.
1 and 001
5 Question 7: Answer the following questions (10 marks)
2 V 50 µs What is the type of the waveform (signal) shown?
Square wave
Volt/div scale (vertical settings)
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!"
=
!"#
!"#$
Time/div scale (horizontal settings)
!"#$
!"#$
=
!"#
!" !"#
Vpk-pk (peak to peak voltage)
!"# − !" =
!"
∗ !"#$ = !! !"#$
T (period) and frequency
!" !"
!"#$ !"#$%& = ∗ ! !"# = !!. !!"! !"#$%
!
!
!
!"#$%#&'( = = =
= !""""#$
!"#$ !"#$%&
!!. !!"# !!. !! ∗ !"!!
6 Question 8: answer the following questions (10 marks)
2 V 100 µs What is the type of the waveform (signal) shown?
Triangle wave
Volt/div scale (vertical settings)
!"#$%
!"
=
= ! !/!"#
!"#
!"#$
Time/div scale (horizontal settings)
!"#$ !""#$
=
!"#
!" !"#
Vpk-pk (peak to peak voltage)
!"# − !" = !"/!"# ∗ ! !"# = !! T (period) and frequency
!"" !"
!"#$ !"#$%& = ∗ ! !"# = !!. !!"#! !"#$%
!
!
!
!"#$%#&'( = = =
= !"###$! !"#$ !"#$%&
!!. !!"#$ !!. !!" ∗ !"!!
7 Question 9: answer the following questions (10 marks)
5V What is the type of the waveform (signal) shown?
50 µs Sine Wave
Volt/div scale (vertical settings)
!"#$%
!"
=
= !. !!" !/!"#
!"#
!"#$
Time/div scale (horizontal settings)
!"#$
!"#$
=
!"#
!" !"#
Vpk-pk (peak to peak voltage)
!"# − !" = !"
∗ ! !"# = !"! !"#$
T (period) and frequency
!" !"
∗ ! !"# = !!. !!"! !"#$%
!
!
!
!"#$%#&'( = = =
= !""""#! !"#$ !"#$%&
!!. !!"# !!. !! ∗ !"!!
!"#$ !"#$%& = 8 Question 10: For the following waveform, the oscilloscope vertical axis
is set on 10 V/Div and the time horizontal axis on 200 µs/Div. (6 marks)
Find:
Peak Voltage (Vpk)
!"#
!"# = ∗ ! !"# = !"!
!"#
Peak to Peak voltage (Vpk-Vpk)
!"# − !" = ! ∗ !"# = ! ∗ !" = !"#$
Period (T)
!"#$ !"#$%& = !"" !"
∗ ! !"# = !"""#! !"#
9 Question 11: Name the following wave forms (3 marks)
Sine
Square
Triangle
Question 12: Write the functions for a multi meter. (5 marks)
1. Measure voltage
2. Measure current
3. Measure resistance
4. Test continuity
5. Test diode
Question 13: What are the two types of multi meters (1 mark)
1. Analog
2. digital
10