Electronic Principles
Doubling the operating frequency of a capacitive circuit:

None of these
has no effect on the capacitive reactance
doubles the amount of a capacitive reactance
multiplies the capacitive reactance by 6.28
cuts the capacitive reactance in half

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Electronic Principles
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?

1000 V and a series resistance of 10 k Ohm
1000 V and a parallel resistance of 10 kOhm
None of these
100 V and a parallel resistance of 10 k Ohm
100 V and a series resistance of 10 k Ohm

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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 voltages is less than the sum of the voltages across the resistance and inductance
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
None of these

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Electronic Principles
Current is

The number of free electrons in an atom
An imbalance of electrical charges
The force that causes electrons to flow
None of these
The flow of charged particles through a material

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