terminal of a 12 V battery. The battery has an internal resist-
ance of 0.2 Ω. (i) What is the average power delivered to the
12 V source inside the battery? (ii) What is the average power
loss in the internal resistance of the battery?
14.The voltage across a linear load is v(t) 325 sin(100
π
t –
25º) V. If the load current i(t) is found to lead v(t) by 36º and
the average power delivered to the load is 250 W, find i(t) as a
function of time.
15.Derive an expression for average power if v(t) a sin
ω
t b
cos
ω
t and i(t) c sin
ω
t d cos
ω
t in terms of a, b, c and d.
16.A sinusoidal ...
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