Electronics - Capacitors
Exercise : Capacitors - General Questions
- Capacitors - General Questions
- Capacitors - True or False
- Capacitors - Filling the Blanks
1.
In a 20 Vac series RC circuit, if 20 V is measured across the resistor and 40 V is measured across the capacitor, the applied voltage is:
2.
Select the equation below that represents the relationship between charge, capacitance, and voltage for a capacitor.
Q = CV
C = QV
V = IR
3.
When is a capacitor fully charged?
when the voltage across its plates is 
of the voltage from ground to one of its plates
of the voltage from ground to one of its plateswhen the current through the capacitor is the same as when the capacitor is discharged
when the voltage across the plates is 0.707 of the input voltage
when the current through the capacitor is directly proportional to the area of the plates
4.
What is the reactive power in the given circuit?
0 VAR
691 
VAR
VAR44.23 mVAR
1.45 kVAR
5.
What is the angle theta value for a 5.6 
F capacitor and a 50-ohm resistor in series with a 1.1 kHz, 5 Vac source?
F capacitor and a 50-ohm resistor in series with a 1.1 kHz, 5 Vac source?Quick links
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