Current Electricity

Question: A rod of a certain metal is 1.0 m long and 0.6 cm in diameter. Its resistance is $3.0 \times 10^{-3}$ ohm. Another disc made of the same metal is 2.0 cm in diameter and 1.0 mm thick. What is the resistance between the round faces of the disc

1) $1.35 \times 10^{-8}$ ohm

2) $2.70 \times 10^{-7}$ ohm

3) $4.05 \times 10^{-6}$ ohm

4) $8.10 \times 10^{-5}$ ohm

Solution:

Explanation: No Explanation

Electric Conduction Ohm's Law Resistance

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)