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20 Cards in this Set
- Front
- Back
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What effect does a speaker wire's gauge have on speaker sound quality
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Lower gauge wires are thicker and better sound quality
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What's the primary advantage of a quad-band cell phone over a dual-band cell phone
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Coverage area
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When working with electricity you should assume that all electrical equipment is alive unless you know for certain otherwise. This prevents..
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Personal injury
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The heat effect of current occurs..
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When the current overcomes resistance in the wire, create heat
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What special type of diode is commonly used to regulate voltage
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Zener
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This symbol means..
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Ohm
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Electromotive force is another way of saying
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Voltage
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A primary advantage of using a Li-ion battery instead of a NiMH battery in your cell phone is..
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Li-Ion batteries are lighter
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Transistors contain at least three terminals called the..
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Base, emitter , and collector
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To control a light fixture from two different wall switches, you should use..
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Two three way switch
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A transistor is also called a
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Amplifier
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This means..
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Ground
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To decrease capacitance, capacitors
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Should be connected in series
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A resistor marked 2.5K ohms has the value of..
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2,500 ohms
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A 9volt transistor contains..
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6 cells (a cell is equal to about 1.5)
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A hot wire is always..
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Black
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How wide is the full AT motherboard
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12inches
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This is...
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On-off switch
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If a 120volt current is protected by 25amp circuit breaker, what's the largest number of watts an appliance can safety use?
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3,000watts (watt=volt • amps)
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This is a..
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Rheostat
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