A transistor has the following terminals
A. Emitter
B. Collector
C. Base
D. Gate
E. Anode
F. Cathond
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A transistor can be mainly used for a/an
A. Rectifier
B. Amplifier
C. Switch
D. Filter
E. LED
2 common types of power supply units (PSU) are__________ and switched-mode.
A common emitter amplifier, the input and output singles are in 180° phase displacement.
A. 对
B. 错
The 555 IC chip is a widely used amplifier circuit.
A. 对
B. 错