Advanced Electronics Midterm 1 Questions with Answers
1. What is Ohm's Law?: V = IR
2. What is the formula for the capacitor law?: V = Q/C, I = C(dV/dt)
3. What does the inductor law state (equation)?: V = -L(dI/dt)
4. What is the generalized Ohm's Law formula?: V = IZ
5. What is the formula for power dissipation?: P = VI
6. What is the capacitive impedance formula?: ZC = 1/(iωC)
7. What is the inductive impedance formula?: ZL = iωL
8. What is the resistive impedance formula?: ZR = R
9. How do you calculate series impedance?: Zser = Z1 + Z2
10. What is the formula for parallel impedance?: Zpar = (1/Z1 + 1/Z2)−1
11. What is the generalized voltage divider equation?: Vout = Vin * (Z1 / (Z1 + Z2))
12. What is the definition of voltage?: Voltage is the electric potential ditterence between two points.
13. What is current?: Current is the flow of electric charge.
14. What is a voltage source?: A device that provides a constant voltage to a circuit.
15. What is a current source?: A device that provides a constant current to a circuit.
16. What is dynamic resistance?: Dynamic resistance (Rdyn) is defined as how a circuit responds to small
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, variations in input and output. Rdyn adV/dI.
17. What is the loop rule in circuit analysis?: The sum of the voltages around any closed loop in a circuit
must equal zero.
18. What is the node rule?: The sum of currents entering a node must equal the sum of currents leaving that node.
19. What is Th´evenin voltage?: Th´evenin voltage is the open-circuit voltage at the terminals of a network. VTh =
V(OL)
20. What is Norton current?: Norton current is the short-circuit current at the terminals of a network. IN = I(SL)
21. What is the simplified model for an ideal diode?: For V < 0.6V, the diode is ott (Rdyn = ). For V =
0.6V, it acts as an ideal voltage source of 0.6V (Rdyn = 0).
22. What is the simplified model for an NPN transistor?: When VC > VB > VE, then VB = VE + 0.6V, IC
= βIB, and IE = IB + IC.
23. What is the rule of 10?: If R1 < 1/10 Rpad < 1/10 R2, you can ignore R1 and R2
24. What is an ideal voltage source?: An ideal voltage source maintains a constant voltage regardless of the
current drawn from it.
25. What is an ideal current source: Maintains a constant current for any voltage. dV/dI = infinity
26. How is dynamic resistance defined?: Rdyn adV/dI
27. What is capacitive impedance?: ZC = 1/(iωC)
28. What is inductive impedance?: ZL = iωL
29. What is resistive impedance?: ZR = R
30. What is the formula for series impedance?: Zser = Z1 + Z2
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1. What is Ohm's Law?: V = IR
2. What is the formula for the capacitor law?: V = Q/C, I = C(dV/dt)
3. What does the inductor law state (equation)?: V = -L(dI/dt)
4. What is the generalized Ohm's Law formula?: V = IZ
5. What is the formula for power dissipation?: P = VI
6. What is the capacitive impedance formula?: ZC = 1/(iωC)
7. What is the inductive impedance formula?: ZL = iωL
8. What is the resistive impedance formula?: ZR = R
9. How do you calculate series impedance?: Zser = Z1 + Z2
10. What is the formula for parallel impedance?: Zpar = (1/Z1 + 1/Z2)−1
11. What is the generalized voltage divider equation?: Vout = Vin * (Z1 / (Z1 + Z2))
12. What is the definition of voltage?: Voltage is the electric potential ditterence between two points.
13. What is current?: Current is the flow of electric charge.
14. What is a voltage source?: A device that provides a constant voltage to a circuit.
15. What is a current source?: A device that provides a constant current to a circuit.
16. What is dynamic resistance?: Dynamic resistance (Rdyn) is defined as how a circuit responds to small
1/
10
, variations in input and output. Rdyn adV/dI.
17. What is the loop rule in circuit analysis?: The sum of the voltages around any closed loop in a circuit
must equal zero.
18. What is the node rule?: The sum of currents entering a node must equal the sum of currents leaving that node.
19. What is Th´evenin voltage?: Th´evenin voltage is the open-circuit voltage at the terminals of a network. VTh =
V(OL)
20. What is Norton current?: Norton current is the short-circuit current at the terminals of a network. IN = I(SL)
21. What is the simplified model for an ideal diode?: For V < 0.6V, the diode is ott (Rdyn = ). For V =
0.6V, it acts as an ideal voltage source of 0.6V (Rdyn = 0).
22. What is the simplified model for an NPN transistor?: When VC > VB > VE, then VB = VE + 0.6V, IC
= βIB, and IE = IB + IC.
23. What is the rule of 10?: If R1 < 1/10 Rpad < 1/10 R2, you can ignore R1 and R2
24. What is an ideal voltage source?: An ideal voltage source maintains a constant voltage regardless of the
current drawn from it.
25. What is an ideal current source: Maintains a constant current for any voltage. dV/dI = infinity
26. How is dynamic resistance defined?: Rdyn adV/dI
27. What is capacitive impedance?: ZC = 1/(iωC)
28. What is inductive impedance?: ZL = iωL
29. What is resistive impedance?: ZR = R
30. What is the formula for series impedance?: Zser = Z1 + Z2
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