Questions from Electronics


Q: Sketch the atomic structure of copper and discuss why it is a

Sketch the atomic structure of copper and discuss why it is a good conductor and how its struc- ture is different from that of germanium, silicon, and gallium arsenide.

See Answer

Q: Sketch the atomic structure of silicon and insert an impurity of arsenic

Sketch the atomic structure of silicon and insert an impurity of arsenic as demonstrated for silicon in Fig. 1.7.

See Answer

Q: Design a clamper to perform the function indicated in Fig. 2

Design a clamper to perform the function indicated in Fig. 2.185.

See Answer

Q: a. Determine VL, IL, IZ, and IR for

a. Determine VL, IL, IZ, and IR for the network of Fig. 2.186 if RL = 180 Ω. b. Repeat part (a) if RL = 470 Ω. c. Determine the value of RL that will establish maximum power conditions for the Zener d...

See Answer

Q: a. Design the network of Fig. 2.187 to

a. Design the network of Fig. 2.187 to maintain V L at 12 V for a load variation (IL) from 0 mA to 200 mA. That is, determine RS and VZ. b. Determine PZ max for the Zener diode of part (a).

See Answer

Q: For the network of Fig. 2.188, determine the

For the network of Fig. 2.188, determine the range of Vi that will maintain VL at 8 V and not exceed the maximum power rating of the Zener diode.

See Answer

Q: Design a voltage regulator that will maintain an output voltage of 20

Design a voltage regulator that will maintain an output voltage of 20 V across a 1-kΩ load with an input that will vary between 30 V and 50 V. That is, determine the proper value of RS and the maximum...

See Answer

Q: Sketch the output of the network of Fig. 2.145

Sketch the output of the network of Fig. 2.145 if the input is a 50-V square wave. Repeat for a 5-V square wave.

See Answer

Q: Determine the voltage available from the voltage doubler of Fig. 2

Determine the voltage available from the voltage doubler of Fig. 2.123 if the secondary voltage of the transformer is 120 V (rms).

See Answer

Q: Determine the required PIV ratings of the diodes of Fig. 2

Determine the required PIV ratings of the diodes of Fig. 2.123 in terms of the peak secondary voltage Vm.

See Answer