electronics-rc-circuits Related Question Answers
3. What is the phase angle for a parallel circuit consisting of a 500 kHz, 5 Vac source with a 47 pF capacitor, and a 4.7 k resistor in parallel?
4. Which circuit is represented by the frequency response curve in the given figure?
8. Which statement about a series RC circuit is true?
9. If the frequency increases in the given circuit, how would the total current change?
10. What is the effect of increasing the resistance in a series RC circuit?
12. In a purely capacitive ac circuit, the amount of energy converted to heat is proportional to the circuit's current.
15. In parallel RC circuits, the larger the value of C, the larger the phase angle.
16. When a series RC circuit is used as a low-pass filter, the output is taken from across the capacitor.
17. If the resistor drops 6 V and the capacitor drops 8 V in a series RC circuit, the source voltage equals 10 V.
19. If the frequency increases in a parallel RC circuit, the phase angle decreases.
20. The output voltage from an RC high-pass filter increases as the frequency decreases.
21. If a 100 resistance is connected to a 100 capacitive reactance in a series RC circuit, the impedance equals 200 .
22. If the bandwidth of an RC low-pass filter is 20 kHz, the cutoff frequency is also 20 kHz.
24. Connecting the oscilloscope as shown in the given figure will _____.
25. If the given circuit is used as a filter, the cutoff frequency is _____.
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