The electrical resistance of a wire varies directly as its length and inversely as the square of its diameter. If a wire of 100 cm long and 5 mm in diameter has a resistance of 2 ohms, find the length of a wire of the same material whose resistance and diameter are 4 ohms and 3 mm, respectively.
A. 128 cm
B. 96 cm
C. 72 cm
D. 24 cm
Share
Answer:
B
Step-by-step explanation:
ako bahala pag ma sunog Ang bahay na kabitan