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1. What is the difference between lower case symbols (i, v) and upper case symbols (I,...

1. What is the difference between lower case symbols (i, v) and upper case symbols (I, V)?

2. Calculate the angular frequency of a 3.0 V, 60.0 Hz source emf.

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Answer #1

Here ,

1) the difference between the lower case and upper case symbols is that

the lower case symbols represent (v,i) for signals as a function of time.

while , for the upper case , (V , I) represent for DC and rms values

2)

as frequency , f = 60 hz

angular frequency = 2pi * f

angular frequency = 2pi * 60

angular frequency = 377 rad/s

the angular frequency of the source emf is 377 rad/s

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