In a conductor, when a current of 10 A flows, 2922 W are dissipated. What is the resistance value of the conductor?
A) 2922 Ω
B) 29.22 Ω
C) 29220 Ω
D) 292.2 Ω
E) 2.922 Ω
IMAT 2024 · Question 57
Q57 - Ohm's law and Joule effect
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The correct answer is B) 29.22 Ω.
Power in a resistor is P = I²R, so R = 2922 / 10² = 29.22 Ω.
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