A particular rsistance wire has a resistance of 3.0 ohm per metre. Find: (a) The total resistance of three lengths of this wire each 1.5 m long, joined in parallel. (b) The potential difference of the battery which gives a current of 2.0 A in each of the 1.5 m length when connected in parallel to the battery (assume that the resistance of battery is negligible). (c) The resistance of 5 m length of a wire of the same material, but with twice the area of cross-section.

A particular rsistance wire has a resistance of 3.0 ohm per metre. Fi

1.	A particular rsistance wire has a resistance of 3.0 ohm per metre. Find: (a) The total resistance of three lengths of this wire each 1.5 m long, joined in parallel. (b) The potential difference of the battery which gives a current of 2.0 A in each of the 1.5 m length when connected in parallel to the battery (assume that the resistance of battery is negligible). (c) The resistance of 5 m length of a wire of the same material, but with twice the area of cross-section.
Answer» A particular rsistance wire has a resistance of 3.0 ohm per metre. Find: (a) The total resistance of three lengths of this wire each 1.5 m long, joined in parallel. (b) The potential difference of the battery which gives a current of 2.0 A in each of the 1.5 m length when connected in parallel to the battery (assume that the resistance of battery is negligible). (c) The resistance of 5 m length of a wire of the same material, but with twice the area of cross-section.