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T5C - Electronic principles
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Terms in this set (11)
What is the ability to store energy in an electric field?
Capacitance
What is the basic unit of capacitance?
The farad
What is the ability to store energy in a magnetic field called?
Inductance
What is the basic unit of inductance?
The henry
What is the unit of frequency?
Hertz
What is the abbreviation that refers to radio frequency signals of all types?
RF
What is a usual name for electromagnetic waves that travel through space?
Radio waves
What is the formula used to calculate electrical power in a DC current?
P(power)=E(voltage) x I(current)
How much power is being used in a circuit when the applied voltage is 13.8 volts DC & the current is 10 amperes?
138 watts
How much power is being used in a circuit when the applied voltage is 12 volts DC & the current is 2.5 amperes?
30 watts
How many amperes are flowing in a circuit when the applied voltage is 12 volts DC & the load is 120 watts?
10 amperes
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