Q. 54.2( 92 Votes )

What is (a) the h

Answer :

(a) The highest resistance can be secured (or obtained) by connecting all the four coils in series. In this case:

R = R1 + R2 + R3 + R4


R = 4 + 8 + 12 + 24


R = 48


Thus, the highest resistance which can be secured is 48 ohms.


(b) The lowest resistance can be secured by connecting all the four coils in parallel. In this case:



Thus, the lowest resistance which can be secured is 2


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