Rjine = 10 2 V, = 100 V rms R = 10 N (a) Rine = 10 N 1: 10 10:1 100 V CR = 10Ω rms Step up Step down (b) Figure P14.62

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A voltage source is to be connected to a resistive load RL=10 Ω by a transmission line having a resistance Rline=10 Ω as shown in Figure P14.62. In part (a) of the figure, no transformers are used. In part (b) of the figure, one transformer is used to step up the source voltage at the sending end of the line, and another transformer is used to step the voltage back down at the load. For each case, determine the power delivered by the source; the power dissipated in the line resistance; the power delivered to the load; and the efficiency, defined as the power delivered to the load as a percentage of the source power.

Rjine = 10 2
V, = 100 V rms
R = 10 N
(a)
Rine = 10 N
1: 10
10:1
100 V
CR =
10Ω
rms
Step up
Step down
(b)
Figure P14.62
Transcribed Image Text:Rjine = 10 2 V, = 100 V rms R = 10 N (a) Rine = 10 N 1: 10 10:1 100 V CR = 10Ω rms Step up Step down (b) Figure P14.62
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