Electronic Principles
A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff?

10 Ohm
None of these
50 Ohm
60 Ohm
100 Ohm or more

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

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

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Electronic Principles
The total inductive reactance of a parallel inductor circuit is:

equal to the sum of the individual inductive-reactance values
less than the inductance value of the smallest inductor
equal to the sum of the individual inductance values
None of these
equal to the source voltage divided by total current

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

Current flowing through a conductor generates a magnetic field
Current is induced in a conductor that is moving through a magnetic field
Like magnetic poles repel; unlike poles attract
None of these
Like magnetic poles attract; unlike poles repel

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