Which of the following combinations will give an equivalent resistance of 108 kilo-ohms? a. series combination of 100k, 4.7k and 4.7k b. the parallel combination of 5.1k and 10k, combined in series with 100k and 5.1k c. the parallel combination of 4.7k and 10k, combined in series with 100k and 5.1k d. series combination of 68k, 20k and 20k

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