What is the voltage across a resistor in an electrical circuit?

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The voltage across a resistor in an electrical circuit can be expressed using Ohm's Law, which states that voltage V(t) equals the product of resistance R and current i(t). The discussion highlights confusion regarding a formula involving a square root and pi, with participants noting that it does not align with standard equations. The relationship between power, voltage, and current is also mentioned, specifically p(t) = v(t) · i(t) and its rearrangement. Participants suggest seeking clarification from the teacher due to the confusion surrounding the formula. Overall, the conversation emphasizes the need for a clearer understanding of voltage calculations in electrical circuits.
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Homework Statement


The voltage V(t) [in volts] across a resistor in an electrical circuit at a given time t [in seconds] is given by:

sqrt of something to the power of pi

^ that's the example i got in my book. Its just got the square root symbol, a space, and then a pi in an exponential position.


Homework Equations





The Attempt at a Solution

 
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power as a function of time: p(t)=v(t) · i(t)

Ohm's Law: v(t)=R · i(t)

The nearest matching your case that I can see is p(t) = (v(t))2 /R
when rearranged to v(t) = ...

No power of Pi. :rolleyes:
 
Im very confused too. I thought i must have been missing something. Ill bring it up with the teacher.

Thanks mate
 

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