Electronic Principles
A typical light switch in your home is a:

None of these
rotary switch
toggle switch
knife switch
momentary push button switch

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Electronic Principles
Voltage is

The number of free electrons in an atom
Trie force that causes electrons to flow
The smallest electrically charged particle
The flow of charged particles through a material
None of these

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

The total resistance of a parallel circuit is less than the value of the smallest resistance
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
None of these
The algebraic sum of currents entering and leaving a point is equal to zero

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