Two resistors having resistance 4Ω and 6Ω are connected in parallel. Find their equivalent resistance.
1Req=14+16=6+424=1024⇒Req=2410=2.4 Ω
Three resistors having resistances 2 Ω, 3 Ω and 4 Ω are connected so that the equivalent resistance is 9 Ω. The resistors are connected in: