ATT WEEK 4 TEST EXAM QUESTIONS AND ANSWERS GRADED A+
1. How many time constants does it take to fully charge
and discharge a capacitor? 5
2. Percentage of charge at TC1 when charging: 63%
3. Percentage of charge at TC2 when charging: 86%
4. Percentage of charge at TC4 when charging: 98%
5. Percentage of charge at TC5 when charging: 99%
6. Percentage of charge at TC1 when discharging: 37%
7. Percentage of charge at TC2 when discharging: 14%
8. Percentage of charge at TC3 when discharging: 5%
9. Percentage of charge at TC3 when charging: 95%
10. Percentage of charge at TC4 when discharging: 2%
11. Percentage of charge at TC5 when discharging: 1%
12. Time of one constant in an RC circuit depends on ?
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,ATT WEEK 4 TEST EXAM ATT WEEK 4 TEST EXAM
Resistance and capacitance
13. The more inductive the circuit is, the larger the ? Time Constant
14. What happens to the effect of a capacitor on a circuit
when there is an inductor? It cancels it out
15. What is the relationship between Voltage and current when it
comes to LCR inductors? Voltage leads current by 90 degrees
16. What is the relationship between voltage and current when it
comes to LCR capacitors? Current leads voltage by 90 degrees
17. When XC is max positive in series what is XL: Minimum
18. When does resonance occur in a circuit? When inductive
reactance is equal to capacitive reactance
19. In series, what is a circuit when Inductive reactance is larger
than capacitive reactance? Resistive and Inductive
20. In series, what is a circuit when Inductive reactance is less
than Capacitive reactance? Resistive and Capacitive
21. In parallel, what is a circuit when Inductive reactance is less
than capacitive reactance? Resistive and inductive (Parallel)
22. In Parallel, what is a circuit when Inductive reactance is
larger than capacitive reactance? Resistive and Capacitive
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