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6 Oct 2020
Two wire A and B unith circular cross-section are made of the same metal have equal length but hte resistane of A is three times greater than B.
(a) What is the ratio of cross-sectional area of A to the B.
(b) What is the ratio of radius of A to that of B.
Two wire A and B unith circular cross-section are made of the same metal have equal length but hte resistane of A is three times greater than B.
(a) What is the ratio of cross-sectional area of A to the B.
(b) What is the ratio of radius of A to that of B.
SumantLv10
30 Nov 2020