Question

Show that how do you connect 4 resistance each of 4 ohm's show that combination of resistance is 3 ohm's

Answer 1

Answer:

To get an equivalent resistance of 6 ohms, we have to use both parallel and series connection in the circuit. First, the two resistors are connected in parallel to obtain a combined resistance of 2 ohms and then the combined resistance in connected in series with the third resistor to give a total resistance of 6 ohms.

That is, for the two resistors in parallel the resistance is given as 41+41=0.51=2ohms and this is added with the resistance of the third resistor in series as 2+4=6 ohms.

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Answer 2

Answer:

We know,

1/Rp=1/R1+1/R2

1/Rp=1/4+1/4

1/Rp=2/4

Rp=2ohm

Again we know ,

Rs=R1+R2

=4+2

=6ohm is the required answer.