The output power of a microphone is given as – 70 dBm. Express this power in milli Watts.

5/1 IN4001 120 V 60 Hz R 5 k2 100 uF 1) Explain how this circuit works 2) Draw the waveform at the output (Vrl) for a sinusoidal signal at the input 3) What is the effective voltage of peak voltage in the secondary? 4) What is the peak voltage on the load? 5) What is the average voltage of the output (on the load)? 6) Calculate ripple on load

Part 1c numbers: 2.2kQ 10 μ V Figure 1: RC high-pass circuit schematic Peak: 9.2V RMS: 3.05V Calculate the percentage error between measured and theoretical RMS amplitudes in part 1c. Did the DC offset change the RMS or peak voltage amplitudes across the resistor in the RC high-pass circuit? Why or why not?

Calculate the ripple factor in a half-wave combiner circuit and the value of the output frequency, if you know that the value of Voc = 5V and 10 = V(rms)out) and the input frequency is 90 Hz

Which of the following is not a requirement for an electric circuit? a. a source b. a path c. a load d. a signal light

A 7-segment decoder/driver drives the display in Figure 05. If the waveforms are applied as indicated, determine the sequence of digits that appears on the display. Q.13 BCD/7-seg A1 1 2 A2 A2 4 Az 8 e b FIGURE 05

Aplifiers

If the line frequency is 60 Hz, the output frequency of a center-tapped transformer full-wave rectifier is

Calculate Isc

Determine the value of IC given that beta = 100. Express your answer in mA, VCC R1 $2.7kO 10.6 V 20 uA VE $8.2ko 31.2kO