Question in Electronics

For the circuit above, determine the following (express all answers in phasor form):

  • XC

 

  • Zeq

 

  • IT

 

  • R1

 

  • IC1

 

  • Construct the circuit with MultiSIM using a 5% tolerance for the resistor and the capacitor. Adjust the frequency according to the table below and obtain measurements from MultiSIM using AC Analysis and express in polar form.

 

Frequency

IT

IR1

IC1

100 Hz

500 Hz

1000 Hz

1500 Hz

10000 Hz

20000 Hz

  • Discuss the following:

 

  • Describe the relationship between the frequency and IT.

 

  • What effect does frequency have on Zeq?

 

    1. How could the circuit be modified to bring the phase angle closer to 0?

 

    1. How could the circuit be modified to bring the phase angle closer to -90?

 

 

 

Include all calculations, screenshots of measurements, the table results of part 3 and the answers to parts 2 and 4 in a word

 

Attachments:

  1. Consider the circuit below:

For the circuit above, determine the following (express all answers in phasor form):

  1. XC

Ans a. Xc =

Xc = 63.6619 ∟-90◦ Ω

  1. Zeq

Ans b. Zeq = R1||Xc

=62.2752 ∟-78.019◦ Ω

  1. IT

Ans c.   IT= V/Zeq

=1.926∟78.019◦ A

  1. R1

Ans d.  R1 = 300 ∟0◦ Ω

 

  1. IC1

Ans e.

Ic1 = V/Xc

 

= 1.8849 ∟90◦ A

 

 

 

 

 

 

  1. Construct the circuit with MultiSIM using a 5% tolerance for the resistor and the capacitor. Adjust the frequency according to the table below and obtain measurements from MultiSIM using AC Analysis and express in polar form.

 

 

 

Circuit

 

 

 

 

 

 

 

 

 

 

 

For 100Hz

 

For 500Hz

 

 

 

 

 

For 1000Hz

 

For 1500 Hz

 

 

 

 

 

 

For 10000 Hz

 

 

For 20000Hz

 

 

Frequency IT IR1 IC1
100 Hz 549.6m∟-136.69◦A 400m∟0◦ A 376.99m ∟90◦ A
500 Hz 1.92693∟-101.98◦A 400m ∟0◦ A 1.8849∟90◦ A
1000 Hz 3.79107∟-96.0566◦A 400m∟0◦ A 3.76991 ∟90◦ A
1500 Hz 5.669∟-94.611◦A 400m∟0◦ A 5.65487 ∟90◦ A
10000 Hz 37.7012∟-90.607◦ A 400m∟0◦ A 37.6991∟90◦ A
20000 Hz 75.3982∟-90.3039◦A 400m∟0◦ A 75.39822∟90◦ A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. Discuss the following:
    1. Describe the relationship between the frequency and I

Ans a.

AS frequency increase IT increases

 

  1. What effect does frequency have on Zeq?

Ans b.

Zeq decrease with increase in frequency

 

  1. How could the circuit be modified to bring the phase angle closer to 0?

Ans c. Using Resistor instead of capacitor of same impedance

  1. How could the circuit be modified to bring the phase angle closer to -90?

Ans d.

Using inductor instead of capacitor of same impedance

 

Include all calculations, screenshots of measurements, the table results of part 3 and the answers to parts 2 and 4 in a word