SOLUTION: Can anyone help with a electricity question? The current (I) in an electrical conductor varies inversely to the resistance (R) of the conductor. If the current is 1/2 ampere when
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Question 1034121: Can anyone help with a electricity question? The current (I) in an electrical conductor varies inversely to the resistance (R) of the conductor. If the current is 1/2 ampere when the resistance is 240 ohms, what is the current when the resistance is 540 ohms? Answer by ikleyn(52781) (Show Source):
You can put this solution on YOUR website! .
Can anyone help with a electricity question? The current (I) in an electrical conductor varies inversely to the resistance (R) of the conductor.
If the current is 1/2 ampere when the resistance is 240 ohms, what is the current when the resistance is 540 ohms?
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"... The current (I) in an electrical conductor varies inversely to the resistance (R) of the conductor."
It means that I = , (1)
where k is a proportionality coefficient.
You are given that ". . . If the current is 1/2 ampere when the resistance is 240 ohms".
It means = . (2) (I simply substituted the data into (1))
From (2), the proportionality coefficient k is k = = 120.
Now to answer the question, you simply need to substitute this k = 120 and R = 540 into (1). You will get
I = 120/540.
How much is it?
