A.) A telegraph circuit consists of a 250 ohm relay in series with fine wires having a
resistance of 50 ohms. If it takes 72mA to operate the relay, what voltage must be
impressed at the sending end of the circuit?
B.) Ana gave Bill and Claire as much as each had, then Bill gave Ana and Claire as much
money as each had. Lastly, Claire gave Ana and Bill as much money as each had. then
each had php 52. how much money did each begin with?
C.) A residential house has a lighting load of 100 W and a small appliance load of 2000 W. If
they are used at the same time, what will be the monthly bill at an energy cost of P 0.40
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