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Practice questions for this set
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Opposition to alternating current flow
Choose an answer
1 Impedance is? 2 Resistance is?
Which of the following is generally
considered to be within the
3 4 Like charges?
maximum allowable (plus or
minus) supply voltage variation?
Don't know?
Terms in this set (120)
, Resistance is? Opposition to current flow
An electron has? A negative charge
Impedance is? Opposition to alternating current flow
Current flow is? Electron flow in a circuit
The safety ground conductor is Green or bare.
usually color coded?
Like charges? Repel each other
The symbol for current is? I
Any material that will readily release A conductor
electrons is called?
Which of the following materials Silicon
would be best suited for use as a
semi-conductor?
How many watts of power are used 1200 watts
by a heater operating at 240 volts
and drawing 5 amps?
Three defrost heaters, each 15 ohms 2880 Watts
are wired in parallel to a 120 volt
power supply. How
many watts of power will be used?