SOLUTION: The current I varies directly as the electromotive force E and inversely as the resistance R. If in a system a current of 20 amperes flows through a resistance of 20 ohms with an e

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Question 1189965: The current I varies directly as the electromotive force E and inversely as the resistance R. If in a system a current of 20 amperes flows through a resistance of 20 ohms with an electromotive force of 100 volts, find the current that 150 volts will send through the system.
please show your solution.
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
The current I varies directly as the electromotive force E and inversely as the resistance R.
If in a system a current of 20 amperes flows through a resistance of 20 ohms with an electromotive force of 100 volts,
find the current that 150 volts will send through the system.
please show your solution.
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What is written in your post,  CONTRADICTS  to basics of  Physics in its section  "Electricity".



Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If in a system a current of 20 amperes flows through a resistance of 20 ohms with an electromotive force of 100 volts
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E = I*R
20*20 = 400 volts, not 100.
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150/20 = 7.5 amperes