Physics, asked by pooja655797, 9 months ago

If two resistors of 25ohm and 15ohm are joined together in series and then placed in parallel with a 40ohm resistor, the effective resistance of the combination is

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Answered by arushisingh2614

Answer:

Connected in series = 25+30 =40 ...and then arranged in parallel with 40 ohms....so 1/R= 1/40+1/40=2/40.....so, R=40/2 = 20 ohms is the effective resistance of the combination.

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If two resistors of 25ohm and 15ohm are joined together in series and then placed in parallel with a 40ohm resistor, the effective resistance of the combination is​

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If two resistors of 25ohm and 15ohm are joined together in series and then placed in parallel with a 40ohm resistor, the effective resistance of the combination is