Exam 3

A certain sine wave has a frequency of 50 kHz. What is its Period (T)?

20 µs

A certain sine wave has an RMS voltage of 120V. What is its Vp-p ?

340 Vp-p

Which of the following statements best describes the behavior of an AC Series RC circuit?

As frequency increases, Z decreases

Which of the following statements best describes the behavior of an AC Series RL circuit? As frequency increases, Z decreases As frequency increases, Z increases As frequency increases, Z does not change As frequency increases, R decreases

As frequency increases, Z increases

Four capacitors in parallel :CT = .01 µFC2 = 2500 pFC3 = 2500 pFC4 = 2500 pF C1=

C1 = .0025 µF

Three capacitors in parallel :CT = 900 µFC2 = 300 µFC3 = 300 µF C1=

C1 = 300 µF

Two capacitors in parallel :CT = 8,300 pFC1 = 4,300 pF C2=

C2 = .004 µF

Three capacitors in series :CT = 100 µFC1 = 300 µFC3 = 300 µF C2=

C2 = 300 µF

Two capacitors in series :CT = 220 pF C1 = 440 pF C2=..

C2 = 440 pF

Determine the capacitance of C2 based on the following data: C1 = 240 pF C1 and C2 have the same plate area. The distance between the plates of C1 is .02 mm The distance between the plates of C2 is .01 mm

C2 = 480 pF

Two capacitors in series :C1 = 2,200 pfC2 = .0022 µF CT=...

CT = 1,100 pF

Two inductors in series :LT = 160 mH L2 = 60mH L1=

L1 = 100 mH

Two inductors in parallel: LT = 3.2 µH L2 = 9.6 µH L1=

L1 = 4.8 µH

Three inductors in series : LT = 16 mH L1 = 8 mH L3= 7.5 mH L2=

L2 = 500 µH

Four inductors in parallel: LT = 100 mH L1 = 300 mH L3 = 600 mH L4 = 300 mH L2=

L2 = 600 mH

Three inductors in parallel: LT = 13 µH L1 = 39 µH L2 = 39 µH L3=

L3 = 39 µH

Two inductors in series :L1 = 5.6 mHL2 = 400 µH LT=

LT = 6 mH

The higher a sine wave's frequency ...

The shorter its period (T).

Calculate XC from the following values: f = 625 HzC = 0.5 µF

XC = 509 Ω

Calculate XL from the following values: f = 100 kHz L = 300 µH

XL = 188.5 Ω

Which of the following best describes Resonant Frequency? XL > XC XL - XC XL < XC XL = XC

XL = XC

Series RL Calculate AC current ( i ) from the following values: VAC = 470 mVR = 23.5 kΩL = 33 mHf = 113.3 kHz

i = 14.1 µA

Series RLC circuit: Calculate AC current ( i ) from the following values: VAC = 10 V L = 100 mH C = .56 µF f = 400 Hz R = 560 Ω

i > 7 mA

Series RC Calculate θ from the following values: R = 5 kΩ XC = 5 kΩ

θ = -45°