Ect 122

Hector Heredia

Chapter 1.

1. One coulomb of charge passes a point every 20 seconds. Calculate the value of the current through the point.

Answer: 50 mA

2. A total charge of 2.5 × 10-3 C passes a point every 40 seconds. Calculate the value of the current through the point.

Answer: 6.25 A

4. A total charge of 50 × 10-3 C passes a point every 2.5 seconds. Calculate the value of the current through the point

Answer: 20 mA

6. Calculate the conductance of a 1.5 MΩ resistor.

Answer: 66 x 10^-6 nS

7. Calculate the conductance of a 510 kΩ resistor.

Answer: 1.96 uS

23. Convert each of the following to engineering notation.

* a. 1.11 × 108 Hz

Answer: 111 x 10^6 Hz

* b. 0.022 × 10-6 F

Answer: 22 x 10^-3 F

24. Convert each of the following to engineering notation.

* a. 0.00128 A

Answer: 1.28 x 10^-3 mA

* b. 0.000047 H

Answer: 47 x 10^-6 uH

Chapter 2

3. Determine the guaranteed range of values for a 360 kΩ resistor with a 5% tolerance.

Answer: 342 kΩ and 378 kΩ.

5. For each of the color codes listed, determine the rated value of the component.

A. Brown Blue Brown Value

1 6 1 160 Ω

C. Orange White Yellow Value

3 9 4 390 kΩ

E. Yellow Violet Gold Value

4 7

7. Determine the colors of the first three bands for each of the following resistor values.

a. 33 kΩ orange, orange, orange.

c. 910 kΩ white, brown, yellow

f. 10 MΩ brown, black, blue.

h. 0.24 Ω red, yellow,

10. For each of the color codes listed, determine the rated component value and the guaranteed range of measured values.

* a. Yellow–Orange–Silver–Gold

Answer: 4, 3,

* b. Brown–Gray–Yellow–Red

Answer: 1, 8,...