Electronic Principles
At cut off, the Q point is at

upper end of the load line
middle of the load line
None of these
lower end of the load line
infinity

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

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

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

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

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Electronic Principles
What is the difference between a conductor and an insulator?

None of these
An insulator allows current to flow much easier than a conductor does
The difference between conductors and insulators depends on how they are used
A conductor allows current to flow much easier than an insulator does
An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all

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

The total current is equal to the sum of the currents for the resistance and capacitance
The total current. is greater than the sum of the currents for the resistance and capacitance
None of these
The current always has the same amplitude and phase for every part of the circuit
The total current is less than the sum of the currents for the resistance and capacitance

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