Materials Science Questions
Explore questions in the Materials Science category that you can ask Spark.E!
Which of the following circuits is used to change the dc reference of a signal without changing the shape of the signal?
Why are bridge rectifiers preferred over full-wave center-tapped rectifiers?
If one silicon diode and one germanium diode are connected in series, the voltage drop across the combination of the two diodes will be equal to ________.
Given a series silicon diode circuit with the resistor R = 2 kΩ ohms and an applied voltage of 10 V, what is Idq?
The diode electrode with n-type material is called the ________.
A clamper must have a(n) ________ that is large enough to maintain the capacitor's charge during diode conduction.
Which of the following circuits is used to eliminate a portion of a signal?
When a p-n junction is reverse-biased, its junction resistance is ________.
When tested with an ohmmeter, a diode should have a relatively high resistance for ________ condition.
The nominal voltage for a 1N961 Fairchild 10-V Zener diode has a temperature coefficient of 0.072. If the temperature increases by 50° C, what is the change in V?
Silicon diodes have been more significantly developed than germanium because _
The transition capacitance of a diode is a shunt capacitive effect that occurs when the diode ________.
The diffusion capacitance of a diode is a shunt capacitance effect that occurs when the diode ________.
Given that a 1000 Hz signal is applied to a clamper with a resistor value of 10 kΩ. What is the minimum value of capacitor needed to maintain safe clamping action?
When the output signal to a clamper circuit is clamped to zero, the total swing of the output is equal to ________.
When tested with an ohmmeter, a diode should have a relatively small resistance for ________ condition.
A full-wave center-tapped rectifier has a secondary maximum voltage of 20 Vm and a 4.7 kΩ load resistance. What is the dc load current for the circuit?
In a p-type material, the minority carriers are ________.
What is the value of the voltage dropped across forward-biased silicon diodes that are connected in parallel with each other?
A series silicon diode circuit has a 2 kΩ resistor and a 10 V source. Determine Vdq if Idq is 4.5 mA.