The two types of diodes used in electronics work are the semiconductor diode and the __________.
Answer(s): A
The two general types of diodes are the semiconductor and the vacuum tube diode. Both types have their own particular applications and advantages.
Analog color television relies on three colors to produce the full color range needed for a good picture: red, blue, and __________.
Answer(s): D
Color television uses red, blue, and green "guns" to direct electron streams toward the phosphors in the front of the picture tube, producing the full color spectrum when combined properly.
The folded dipole antenna has an impedance of __________.
Answer(s): B
The folded dipole antenna the one most commonly used for home TV reception has an impedance of 300 ohms. The dipole has an impedance of 72 ohms.
The symbol below is used in electrical diagrams to represent a __________.
The symbol below is used in electrical diagrams to represent a capacitor.
Electricity is defined as __________.
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