Electronic Principles
What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

844.5 Ohm
3890 Ohm
692.2 Ohm
1234 Ohm
None of these

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Electronic Principles
A farad is defined as the amount of capacitance necessary for:

causing an ac phase shift greater than 90 degree
storing 1 V for 1 second
dissipating 1 W of power
None of these
changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing

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Electronic Principles
The total capacitance of a series capacitor circuit is:

equal to the source voltage divided by total current
None of these
less than the value of the smallest capacitor
equal to the sun of the individual capacitive-reactance values
equal to the sum of the individual capacitance values

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