The symbol shown above stands for __________.
Answer(s): A
This symbol stands for battery.
How many wires do serial cables used on computers have?
Answer(s): B
This is true, even if the cable has a 25-pin connector. Serial cables are often used to connect computers to perpetual devices.
To produce greater storage of electrons and more capacitance, capacitors should __________.
Connecting capacitors in parallel produces more capacitance.
A light bulb is 60 watts.Operated at 120 volts, how much current does it draw?
Power = Current × Voltage or, written another way, Current = Power/Voltage.60 / 120 = 0.5 ampere.
A number-12 wire, compared to a number-6 wire __________.
Answer(s): C
The larger the number, the smaller (in diameter) the wire.
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