Electronic Principles
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:

No more than 10% less than the primary current
None of these
One-half the primary current
Twice the primary current
Same as the primary current

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Electronic Principles
Which one of the following statements is true for the voltage in a parallel RL circuit?

The total voltage is equal to the sum of the voltages across the resistance and inductance
The total voltage lags the total current by less than 90
The voltage always has the same amplitude and phase for every part of the circuit
The total voltages is less than the sum of the voltages across the resistance and inductance
None of these

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Electronic Principles
Which one of the following is a statement of Kirchhoffs current law?

The current through a resistance is proportional to the value of resistance and the IR drop across it
None of these
The total current in a parallel circuit is less than the value of the smallest current
The algebraic sum of currents entering and leaving a point is equal to zero
The algebraic sum of currents in a loop is equal to zero

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

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

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