Answer all subparts please 3.(a)An a.c. voltage with a sinusoidal waveform is shown in Figure 3(a):Voltage (V)41Time (ms)-101020304050-1-2Figure 3(a)Determine the period and frequency.Find out the angular velocity.(ii)(iii) Calculate the root-mean-square value of the voltage.(iv) An analogue meter, a digital multi-meter and a dual beam oscilloscopeare provided in the laboratory to measure the peak voltage value.Select the appropriate instrument with explanation.

According to question: i) The period and frequency is calculated as…

Answered: Answer all subparts please

Engineering

Electrical Engineering

Answer all subparts please

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.3MCQ: The amplitude of the sinusoidal symmetrical ac component of the three-phase short-circuit current of...

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Question

Answer all subparts please

3.
(a)
An a.c. voltage with a sinusoidal waveform is shown in Figure 3(a):
Voltage (V)
4
1
Time (ms)
-10
10
20
30
40
50
-1
-2
Figure 3(a)
Determine the period and frequency.
Find out the angular velocity.
(ii)
(iii) Calculate the root-mean-square value of the voltage.
(iv) An analogue meter, a digital multi-meter and a dual beam oscilloscope
are provided in the laboratory to measure the peak voltage value.
Select the appropriate instrument with explanation.

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