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Calculate (i) equivalent resistance across the terminal of the supply ii) total current supplied by the source, iii) power delivered to the 100V battery of the circuit shown in below.

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Solution:

i) Equivalent resistance Rt = V / I

 = 100/4.25

 =23.5Ohm

ii) Total current I = V/ R=100/23.5

 = 4.25A

 iii) Power delivered to the 16ohm resistor P = V*I= 425Watts
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