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Slide 1

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All About Oscilloscopes…read more

Slide 2

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Oscilloscope Traces
time…read more

Slide 3

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Power and Root Mean Square
· Rather than using an instantaneous power value for AC it
is more meaningful to use a time averaged power.
· Therefore, AC current is often expressed as a root mean
square (rms) value, Irms.
· Irms is the value of DC that would give the same heating
effect.…read more

Slide 4

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For a sinusoidal current the mean power over a full cycle is
half the peak power.
· If I0 is the peak current:…read more


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