anonymous
  • anonymous
What is the potential difference across 300ohm resistor when a current of 2.10 A flows through it?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
R = V/I 300 = V/2.1 V= 630v
anonymous
  • anonymous
Do you not need to use 300* e-3 (2.1) ? It still states the problem is incorrect.
anonymous
  • anonymous
where u get this 300* e-3 (2.1), i don get it.

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anonymous
  • anonymous
That is what it states in my book however when I tried answering it the way you showed me it was still incorrect.
anonymous
  • anonymous
what is the answer on ur book?
anonymous
  • anonymous
it didn't give us answer it just shows you how to set the equation which is V=IR
anonymous
  • anonymous
yeah v=IR so V= 300 * 2.1, it suppose to be the right one i guess
anonymous
  • anonymous
It's still stating my answer is incorrect
anonymous
  • anonymous
it didn't give us answer it just shows you how to set the equation which is V=IR
anonymous
  • anonymous
That is what it states in my book however when I tried answering it the way you showed me it was still incorrect.
anonymous
  • anonymous
Do you not need to use 300* e-3 (2.1) ? It still states the problem is incorrect.
anonymous
  • anonymous
post the circuit diagram..
anonymous
  • anonymous
what is that e stand for?
anonymous
  • anonymous
@allenry ,if the circuit diagram has been given in your book then post it...
anonymous
  • anonymous
i guess this kind of question don show any diagram, maybe
anonymous
  • anonymous
In the problem you wrote here, you list the units on the resistor as being Ohm's. In this case, V = 300 * 2.1 is valid and yields the correct answer. However, you keep insisting that we should use 300 e-3 Ohms, which makes me think the resistor has units of 300 milliOhms.
anonymous
  • anonymous
@allenri if the resistance is in milliohm then V=300*e^-3*1.2 is absolutely right answer.

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