16. A wire has resistance 12 ohms. It is bent in the form of an equilateral triangle. The effective resistance between any two corners of the triangle is :

a) 9/4 ohms b) 12 ohms c) 6 ohms d) 8/3 ohms

17. The equivalent resistance of the parallel combination is:

a) smaller than the largest resistance b) larger than the largest resistance

c) smaller than the smallest resistance d) larger than the smallest resistance

18. The resistance of straight conductor does not depend upon its:

a) shape of cross-section b) temperature c) material d) length

19. Reciprocal of specific resistance is:

a) conductive resistance b) specific conductance c) conductive reactance d) plate resistance

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