Exam 12: Capacitors

Figure 12-1 -A capacitor stores voltage in its electromagnetic field.

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 100 µF __________

A capacitor with a 20 volt charge is being fully discharged. How many volts are across the capacitor after the third time constant?

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 0.10 µF __________

Figure 12-1 -The largest capacitor in Figure 12-1 has the highest charge voltage.

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 1.0 µF __________

Figure 12-1 -Determine the capacitance when Q = 75 µC and V = 20 V.

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 10 µF __________

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 0.01 µF __________

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 0.01 µF __________

Exceeding the dielectric strength of a capacitor means you have applied too high a voltage, and probably destroyed the capacitor.

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 10.0 µF __________

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 0.022 µF __________

Power that is stored from the source and then returned to the source is called:

Five time constants are required to fully charge or discharge a capacitor.

A discharged capacitor has charges on its plates.

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 100 pF __________

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 0.0001 µF __________

Write the word or phrase that best completes each statement or answers the question. Complete the following tables: Frequency = 60 Hz -Capacitance Reactance 100 µF __________

Capacitance is the measure of a capacitor's ability to store an electrical charge.