Question 1208726: Heat generated by a stove element varies directly as the cube of the voltage and inversely as the resistance. If the voltage remains constant, what needs to be done to triple the amount of the heat generated?
Found 2 solutions by timofer, ikleyn:
Answer by timofer(105)   (Show Source):
Answer by ikleyn(52798)  (Show Source):
You can put this solution on YOUR website! .
Heat generated by a stove element varies directly as the cube of the voltage and inversely as the resistance.
If the voltage remains constant, what needs to be done to triple the amount of the heat generated?
~~~~~~~~~~~~~~~~~~~~~~~~~~~
The formula described in your post, is FATALLY INCORRECT.
It CONTRADICTS to BASIC Physics laws.
The correct formula is THIS (the Joule's law in Physics)
The formula for heat generated by electrical resistance per unit of time, using voltage (V) and resistance (R),
is H = (V^2/R), where H is the heat generated, V is the voltage, R is the resistance.
Do not disseminate wrong information in the Internet.
Your professor (if exists), who created the formulation in the post, does not know the basics of Science.
Note: I specially wrote " if exists " in my post, since I 99% sure
that such a " professor " does not exist in the nature.
Because if such a professor existed,
he (or she) would have been kicked out from everywhere long time ago
for his or her TOTAL and GLOBAL illiteracy.
This " problem " is a FAKE.
It does not require to be solved.
It requires to be thrown to the closest garbage bin.
And a serious categorical warning should be issued to the author for creating
and disseminating in the Internet " problems " in areas where he/she does understand NOTHING.
|
|
|
