Two identical metal rings of
diameter 2m each are placed in
contact with each other as shown
in the following figure, their diameters
being of 2 Ohm per metre length, then
calculate the resistance across A and C.
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Answer:
Because the thickness of a wire is usually represented by its diameter. Thus when the diameter of a wire is doubled (made 2 times), its resistance becomes one-fourth (1/4), and if the diameter of a wire is halved (made 1/2), then its resistance becomes four times (4 times).
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Explanation:
Methods of determining equivalent resistance for different network. 19. 12. ... In the following figure i1 = i2 = i3 ... If n particles each having a charge q pass per second per unit area, the current ...
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