Exam 15: Rc Circuits

Divide the following complex numbers: 100 227°) / 33 2-14.3°)

-Which of the following expresses the impedance Z correctly in Figure in both rectangular and polar form?

Express the impedance of a 10 µF capacitor at 60 Hz in rectangular form.

Impedance is defined as the total opposition to current in an AC circuit.

-The total current in the circuit in Figure is:

In the complex plane, the horizontal is called the and the vertical is called the .

Multiply the following complex numbers: 5 + j3) 2 - j4)

If the voltage v = 50 sin500t - 75° is applied across a 25 Ω resistor, which equation describes the resistor current?

-The Reactive power in the capacitor in Figure 15-4 is:

Convert the following complex number from polar form to rectangular form: 200 2-45°

Impedance equals the vector sum of:

In a two-branch parallel RC circuit, impedance is:

-The voltage across the resistor in Figure 15-3 is:

-What is the impedance of the circuit in Figure ?

The j operator is considered a:

-The current in the circuit in Figure is:

-The voltage across the capacitor in Figure 15-3 is:

Which one of the following phasor domain expressions is equivalent to the time domain 50 sinY + 15°)?

Which one of the following values is equivalent to 5 + j3) 4 - j6)?

The phase shift oscillator uses equal component RC networks that produce a required degree phase shift.