Electronic Principles
At cut off, the Q point is at

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

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

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 algebraic sum of voltages in a loop is equal to zero
The algebraic sum of currents entering and leaving a point is equal to zero
The total resistance of a parallel circuit is less than the value of the smallest resistance

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Electronic Principles
Which one of the following phrasers best describes flux density?

The concentration of lines of magnetic force
None of these
The rate of change of the number of lines of magnetic force
The opposition to a build-up of magnetic fields
The force that maintains lines of force

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Electronic Principles
The dielectric constant of a material is a measure of:

None of these
the amount of voltage it can withstand before breaking down
the amount of opposition to the current flow
how well the material concentrates electrostatic lines of force
how well the material concentrates magnetic lines of force

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