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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:Three resistors are given one of 3ohm and others of 4 and 7 ohm. To obtain resultant resistance of 3.5 ohm we will connect the resistors of 3 and 4 ohm in series and get the total resistence of 7 ohm. Then, the 3ohm and 4ohm resistence together are connected parallel with the resistence of 7 ohm.
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