3 resistors having resistances of 20ohm ,20ohm and 15ohm are connected i parallel . what is the effective resistance in the circuot

Dear Student

There are two different questions in your posted question

I am preferring the question which you have texted. For other questions please repost it in different thread

Hope it will help you. Looking forward to hear from you again

We know that in parallel combination1Req = 1R1 + 1R2 +1R3=> 1Req = 120 + 120 + 115=> 1Req = 3+3+460=> 1Req = 1060=> Req = 6010  = 6 Ω

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