Mathematics, 22.03.2020 00:40 20alondra04
The power, in watts, dissipated as heat in a resistor varies jointly with the resistance, in ohms, and the square of the current, in amperes. A 15-ohm resistor carrying a current of 1 ampere dissipates 15 watts. How much power is dissipated in a 5-ohm resistor carrying a current of 3 amperes?
Answers: 2
varies jointly with resistance 
, and the square of current 
: 
,
is the constant of proportionality.
and 
, 
:
,
and 
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The power, in watts, dissipated as heat in a resistor varies jointly with the resistance, in ohms, a...
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