Ooredoo * 8:35 AM @ 9290. Quizzes Quiz 3 L55.P..Fal_2016.pdf ooo Experimental Ge

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Ooredoo * 8:35 AM @ 9290. Quizzes Quiz 3 L55.P..Fal_2016.pdf ooo Experimental General Physics for Engineering II PHYS 194-L55 Date: 1 Dec. 2016 College of Arts and Sciences ATAR UNIVERSITYdads Student Name: Student ID Quiz 3 Choose the correct answer For questions 1.2 and 3 consider the below figure as the display on an oscilloscope. If the voltage scale on the oscilloscope is 0.2 VIdiv and the time scale is 10 ms/div . What is the value of Vp? b) 2 V c) 0.4 V d) 0.2 V 2, What is the value of V, ? a) 2.8 V b) 1.4 v c) 0.28 V d 0.14 V 3. What is the value of the frequency f? a) 0.033 hz b) 30 hz c) 33.3 hz d) 3.33 hz 4. If Vpl of a sinusoidal wave is 10 V and the voltage scale on the oscilloscope is 2 Vdivision, what is the number of divisions between the minimum and maximum points? a) 5 b) 20 c) 40 d) 10 5. If the frequency of a sinusoidal wave is 5000 Hz and the time scale on the oscilloscope is 10 us/ division, what is the number of divisions between 4 consecutive peak maxima? a) 20 b) 10 c) 40 d) 60 Page 1 of 2 Experimental General Physies for Engineering II PHYS 194-L06 Date: 28 Nov. 2016 College of Arts and Sciences ATAR UNIVERSITYded Student Name: Quiz 2 Choose the correct answer

Explanation / Answer

1) vpk = 2*0.2 = 0.4 V

2) v rms = vpk/sqrt(2) = 0.28 V

3) f = 1/T = 1/30*10^-3 = 33.3 Hz

4) 10

5) time of one cycle = 1/5000 = 0.0002 sec

t = 200*10^-6 sec

each division is 10*10^-6 sec

each peak has number of divions is 200/10 = 20

so answer is 60 divisions

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