Electronic Principles
Doubling the diameter of the coil in an inductor:

multiplies the value of inductance by two
reduces the value of inductance by one-half
reduces the value of inductance by one-fourth
multiplies the value of inductance by four
None of these

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

The algebraic sum of currents entering and leaving a point is equal to zero
None of these
The current through a resistance is proportional to the value of resistance and the IR drop across it
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 RL circuit?

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
The total voltage lags the total current by less than 90
The total voltage is equal to the sum of the voltages across the resistance and inductance

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