What is this circuit? bandpass filter high-pass filter low-pass filter different

CuriousTab

Correct Answer

high-pass filter

Correct Answer: true power

2. When is a capacitor fully charged?
Options
A. when the voltage across its plates is of the voltage from ground to one of its plates
B. when the current through the capacitor is the same as when the capacitor is discharged
C. when the voltage across the plates is 0.707 of the input voltage
D. when the current through the capacitor is directly proportional to the area of the plates

Correct Answer: when the current through the capacitor is the same as when the capacitor is discharged

3. What is the impedance of an ac RC parallel circuit if the resistance is 12 ohms and the capacitive reactance equals 5 ohms?
Options
A. 0.2 ohms
B. 3.5 ohms
C. 4.6 ohms
D. 13 ohms

Correct Answer: 4.6 ohms

Correct Answer: 6.24 x 10¹² electrons

5. What is the impedance of a series RC circuit that consists of a 0.22 µF capacitor and a 200-ohm resistor connected to a 3 kHz source?
Options
A. 214 ohms
B. 313 ohms
C. 414 ohms
D. 880 ohms

Correct Answer: 313 ohms

6. If the dielectric constant of a capacitor is decreased, then its capacitance will:
Options
A. increase
B. decrease
C. remain the same
D. be destroyed

Correct Answer: decrease

7. In an ac circuit, a capacitor and an output resistor are connected in series with an ac signal. What filter action will be the result?
Options
A. bandpass
B. low-pass
C. high-pass
D. band-stop

Correct Answer: high-pass