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

The voltage always has the same amplitude and phase for every part of the circuit
The total voltage lags the total current by less than 90
The total voltages is less than the sum of the voltages across the resistance and inductance
The total voltage is equal to 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?

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

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

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

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Electronic Principles
When a parallel RLC circuit is operating at its resonant frequency:

the difference between inductive and capacitive reactance is equal to the resistance
inductive reactance is greater than the capacitive reactance
inductive reactance is equal to the capacitive reactance
None of these
capacitive reactance is greater than the inductive reactance

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Electronic Principles
What is a free electron?

An electron that has no electrical charge
None of these
An electron that has twice the amount of charge of a normal electron
An electron that costs nothing
An electron that has been freed from its parent atom

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