Which of the following is TRUE of the heat generated when electricity flows through the body?
A) Dry skin offers less resistance to electricity, generating more heat.
B) Wet skin offers less resistance to electricity, generating more heat.
C) Wet skin offers greater resistance to electricity, generating more heat.
D) Dry skin offers more resistance to electricity, generating more heat.

Question

Quizplus · Accepted Answer

Dry skin offers more resistance to electricity than wet skin, and according to Ohm's law (V = IR), where V is voltage, I is current, and R is resistance, an increase in resistance with a constant voltage leads to a decrease in current flow. However, the heat generated (as per the Joule's law of heating, which can be represented as H = I^2Rt, where H is heat, I is current, R is resistance, and t is time) indicates that with higher resistance, more heat can be generated because the resistance component directly contributes to the heat generated. Therefore, when electricity flows through dry skin, which offers more resistance, more heat is generated compared to when it flows through wet skin.

Which of the Following Is TRUE of the Heat Generated