Neiep 600 Final Exam 2024 Graded A+.

Neiep 600 Final Exam 2024 Graded A+. In capacitors, what is the purpose of the dielectric? - Answer- Prevent arcing within the capacitor Which of the following is true about capacitors in AC circuits? - Answer- Current leads voltage all the time What describes a capacitor s ability to store an electrical charge? - AnswerCapacitance which of the following statements is correct about polarized electrolytic capacitors? - Answer- Voltage polarity must be correct What is the time constant for a circuit with 150k ohms and 2 microfarad capacitor? - Answer- .3 seconds If frequency is increased in a capacitave circuit what will happen? - Answer- Capacitive reactance will decrease What happens in a circuit, when the capacitor voltage equals the source voltage? - Answer- Current flow stops in the circuit In a DC circuit, which is correct about capacitors the instant when power is applied? - Answer- Current is maximum In the circuit shown in figure 1, what will be the total capacitance? - Answer- 250 u(micro) farads If a circuit has a capacitor of 5 microfrauds and a source voltage of 120 volts DC through a resistance of 200k, how long will it take to fully charge? - Answer- 5 seconds What happens in a circuit, when the capacitor voltage equals the source voltage? - Answer- Current flow stops in the circuit which statement best describes one time constant of a capacitor? - Answer- The time it takes to charge to 63.2% of applied voltage .