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FRAME 51
Defining voltage or electromotive force as a force
electromotive force}
that makes electrons flow through a conductor is
}either order
correct; but to really know what makes current flow,
voltage
}
we must use a more technical definition. This will
require several steps.
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FRAME 52
Let us start on a more technical definition of voltage go on to the next step.
or electromotive force by talking about a battery.
One of the symbols for a battery is shown below.
Draw one for practice here:
You have just drawn the symbol for a __________.
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FRAME 53
(negative)
(positive)
battery
One side of a battery is always negative. This
means that it has more electrons than it has
_________________.
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FRAME 54
protons
The negative side of the battery has a negative
charge. The positive side has a
___________________________________.
MD0902
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