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Transistors, Vacuum Tubes, Filtering and Amplifier


Quiz Questions

1.The transistor is a _________________ terminal device primarily used to amplify signals and control current within a circuit.
Two
Three
Four
Five
2. The majority and minority current carriers are the same in the PNP to that of the NPN.
True
False
3.The following figure represents _________________.?
PDH CE Course - Transistors, Vacuum Tubes, Filtering and Amplifier 1

Common – emitter
Common – collector
Common – base
4.A _________________ is a filter that passes high frequencies well but attenuates (reduces) frequencies lower than the cutoff frequency.
PDH CE Course - Transistors, Vacuum Tubes, Filtering and Amplifier 2

Low-pass filter (LPF)
High-pass filter (HPF)
Neutral-pass filter (NPF)
5.The following figure represents _____________.?
Band pass filter
Band stop filter
Noise filter
6. If we have an input signal of 1 volt and an output signal of 10 volts, then the gain factor is __________.?
0.1
1
10
100
7.The following figure represents ___________________.?

PDH CE Course - Transistors, Vacuum Tubes, Filtering and Amplifier 3

Simplified transformer coupling circuit
Simplified Impedance coupling circuit
Simplified RC coupling circuit
8. The ________________ is a device that can be programmed to perform arithmetic and logical operations and other functions in a preordered sequence.
Microprocessor
Miniprocessor
Milliprocessor
Megaprocessor
9.In an inverter circuit when a high voltage is applied to the inverter input, low voltage will be the output.
True
False
10.The pulse width is defined as the duration of the pulse. To be more specific, it is the time between the ________________ amplitude point on both the pulse rise and fall.
40 percent
50 percent
60 percent
80 percent