EXAM QUESTIONS AND ANSWERS
, RC Time constants indicate_____? - ANSWERSRate of change or discharge of a
capacitor
How many time constants does it take to fully charge and discharge a capacitor? -
ANSWERS5
Percentage of charge at TC1 when charging - ANSWERS63%
Percentage of charge at TC2 when charging - ANSWERS86%
Percentage of charge at TC4 when charging - ANSWERS98%
Percentage of charge at TC5 when charging - ANSWERS99%
Percentage of charge at TC1 when discharging - ANSWERS37%
Percentage of charge at TC2 when discharging - ANSWERS14%
Percentage of charge at TC3 when discharging - ANSWERS5%
Percentage of charge at TC3 when charging - ANSWERS95%
Percentage of charge at TC4 when discharging - ANSWERS2%
Percentage of charge at TC5 when discharging - ANSWERS1%
Time of one constant in an RC circuit depends on_____? - ANSWERSResistance and
capacitance
The more inductive the circuit is, the larger the____? - ANSWERSTime Constant
What happens to the effect of a capacitor on a circuit when there is an inductor? -
ANSWERSIt cancels it out
What is the relationship between Voltage and current when it comes to LCR inductors?
- ANSWERSVoltage leads current by 90 degrees
What is the relationship between voltage and current when it comes to LCR capacitors?
- ANSWERSCurrent leads voltage by 90 degrees
When XC is max positive in series what is XL - ANSWERSMinimum