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2010-01-18

Relationship between Energy, Voltage, Current and Time

1. The potential difference or voltage,V, across two points is defined as energy,E, dissipated or transferred by coulomb of charge,Q, that moves through the two points.

Therefore:

Potential difference = Electrical energy dissipated / Charge

V= E / Q

2. Current is the rate of charge flow. Therefore, the total charge flows through the two points is given as:

Q = It                   I = current,  t = time in second

3. Since the energy dissipated or transferred is given by:

E= VQ

Therefore, the relationship between E, V,I and t can be written as:

E = VIt

4. From Ohm’s law, V =IR, therefore,

E = IR × It
E = I²Rt

5. From I = V / R = > ; E = V

12 comments:

Manoj said...

Very nice description,i impressed

Tob said...

so much sense has been made in me now!

Miracle 007 said...

Write a textbook sir. That is the best description relating those 3 I have seen yet.

Unknown said...

Fully illustrated.

Anonymous said...

I don't understand no. 5.
Please help.

Anonymous said...

...

Anonymous said...


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Anonymous said...

5.E= VQ

Unknown said...

does I has direct relation with V or not? am confused on the given equation

Anonymous said...

thanks

https://writing-help.org/blog/sexual-harassment-sociology-essay/ said...

Your explanation is very clear and convenient. Thank you for taking the time and clearing the unexplained things for us!

Anonymous said...

thanks