Complete Electronics Self-Teaching Guide with Projects

Self-Test

The following problems test your understanding of the basic concepts presented in this chapter. Use a separate sheet of paper for calculations if necessary. Compare your answers with the answers provided following the test.

1. Convert the following peak or peak-to-peak values to rms values:

A. V_p = 12 V

V_rms = _____

B. V_p = 80 mV

V_rms = _____

C. V_pp = 100 V

V_rms = _____

2. Convert the following rms values to the required values shown:

A. V_rms = 120 V

V_p = _____

B. V_rms = 100 mV

V_p = _____

C. V_rms = 12 V

V_pp = _____

3. For the given value, find the period or frequency:

A. T = 16.7 ms

f = _____

B. f = 15 kHz

T = _____

4. For the circuit shown in Figure 5.7, find the total current flow and the voltage across R₂, (V_out). _____

Figure 5.7

5. Find the reactance of the following components:

A. C = 0.16 μF, f = 12 kHz

X_C = _____

B. L = 5 mH, f = 30 kHz

X_L = _____

6. Find the frequency necessary to cause each reactance shown:

A. C = 1 μF, X_C = 200 ohms

f = _____

B. L = 50 mH, X_L = 320 ohms

f = _____

7. What would be the resonant frequency for the capacitor and inductor values given in A and B of question = if they were connected in series? _____

8. What would be the resonant frequency for the capacitor and inductor values given in A and B of question 6 if they were connected in parallel? What assumption would you need to make? _____

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