How will you connect three resistors of 3 ohm, 4 ohm and 7 ohm respectively so as to obtain a resultant resistance, of 3.5 ohm ?
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Answer:
R1 = 3
R2 = 4
R3 = 7
just series R1 and R2 there net resistance will 7 ohm .
then parallel that resistance with R3
1/R = 1/7 + 1/R3
1/R = 2/7
R = 3.5 ohm
Explanation:
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