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Electronic Principles

Electronic Principles
When the graph of current versus voltage is a straight line, the device is referred to as

Bipolar
None of these
Active
Linear
Nonlinear

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Electronic Principles
Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?

I = ER
I = E/R
None of these
E = PR
E = I2R

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Electronic Principles
A device that converts mechanical pressure to electrical energy is called a:

None of these
nicad cell
photodiode
piezoelectric device
solar cell

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Electronic Principles
In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point

nowhere
off the load line
up
down
None of these

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Electronic Principles
How many protons does the nucleus of a silicon atom contain?

48
4
None of these
14
29

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Electronic Principles
Doubling the operating frequency of a capacitive circuit:

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

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