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Q.

What will be the largest resistance that will be obtained by the combination of four resistors in series of resistances  4Ω,8Ω,12Ω, and 24Ω?


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a

24Ω

b

36Ω

c

48Ω

d

72Ω 

answer is C.

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Detailed Solution

For obtaining the highest resistance by combining the given resistances, we must connect them in series. The largest resistance can be obtained when we connect all the given four resistors in series so the equivalent highest resistance will be
R=4Ω+8Ω+12Ω+24Ω=48Ω
 
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