2 answers

NI ELVISmx Basic Settings Advanced Settings Sample Rate: 200.00iS Oane10 Settings Channel 1 Settings Source AI 1 At 0 Enabled

Question:

NI ELVISmx Basic Settings Advanced Settings Sample Rate: 200.00iS Oane10 Settings Channel 1 Settings Source AI 1 At 0 EnabledQuestion 3 What is the phase difference q in degrees? Note that the period T represents 360 degrees. (1 mark) Move the CursorQuestion 6 At what frequency does the peak voltage across R (AI 0) approximately equal the peak voltage across C(AI 1)? (2 maQuestion 7 What is the value of the capacitor C in Farads? (12 marks) The series impedance of a resistor R and a reactance Xc

NI ELVISmx Basic Settings Advanced Settings Sample Rate: 200.00iS Oane10 Settings Channel 1 Settings Source AI 1 At 0 Enabled Probe Scale Volts,01, Poston pv) 100 mV 200 mV Trigger Type Sope Level M Horizontal positon (%) 50 200 us T: 250.00 umeout Ci: 489.99 C284.13 mV CHO Meas RMS:345.95 mV Freq: 999.998 Hz Vpp: 979.42 m CH1 Meas: RMS: 59.46 mV Freq: 999.928 Hz pp: 168.31 m Instrument Control Acquiation Mode Print Log Help Autoscale Cursors OnCi CHO Fig. 10 Click and drag the Cursors C1 and C2 on the left side of the graph to lie on successive Channel 1 and Channel 2 peaks, as pictured (Fig.10) Question 1 What is the time difference dTbetween the two peaks, as indicated in yellow? (1 mark) Now move one of the cursors to a successive peak of the same colour. The time difference dT between these peaks gives the period T. Question 2 What is the period T? (1 mark)
Question 3 What is the phase difference q in degrees? Note that the period T represents 360 degrees. (1 mark) Move the Cursors Cl and C2 back over to the left and click the Run' button to display the live voltage-time response Bring up the Function Generator, which should still be running throughout this experiment. At the Function Generator change the 'Frequency' to 100 Hz and observe the changes. At the Oscilloscope click 'Stop Question 4 Repeat the above steps for the new frequency_what are new values for dT, T and q'? (3 marks) Question 5 From your knowledge of capacitors, explain the phase difference of q at 100 Hz and 1000 Hz. Note the turning points of tthe voltage-time curves across R (AI 0) and C (AI 1) (6 marks) Move the Cursors C1 and C2 back over to the left and click the 'Run' button to display the live voltage-time response Bring up the Function Generator, and change the Frequency' until the peak voltage across R (AI 0) approximately equals the peak voltage across C (AI 1) on the Oscilloscope. Place the cursors on the peaks of these waveforms to get accurate measurements C1 and C2 on the screen. At the Oscilloscope click 'Stop
Question 6 At what frequency does the peak voltage across R (AI 0) approximately equal the peak voltage across C(AI 1)? (2 marks)
Question 7 What is the value of the capacitor C in Farads? (12 marks) The series impedance of a resistor R and a reactance Xc (in Ohms) is given by Pythagoras' law: series2-RX Question 8 Remembering to use RMS values (1/2), what is the current / through the circuit at this frequency? (4 marks)

Answers

1. Time per division is 200 microseconds and distance between two peaks of channel 1 and 2 is 5/4 divisions so,

dT = (5/4) * 200 = 250 micro seconds.

2. The distance between two successive peaks of same color is 5 divisions so

T = 5 * 200 =1000 microseconds or 1 milisecond

Please ask other questions seperately.. Thank yoi

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pls continue with the other questions 

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