Question

How can three resistance 2 ohms , 3 ohms and 6
ohms be connected to give a
total
(b) I ohms.
of (a) 4ohms​

Answer 1

Answer:

a. 2 ohm will be series with 3 ohm and 6 ohm in parallel

Answer 2

Answer:

To give net resistence of 1 ohm all three should be arranged in parallel connection and that of 4 ohm the resistors with resistance 3 ohms and 6 ohms should be arranged in parallel and this connection will be arranged in series in 2 ohms.

Explanation:

For 1 ohm

1/Rp = 1/2 + 1/3 + 1/6 = 3/6 + 2/6 +1/6 =6/6 = 1

∴ Rp = 1 ohm

For 4 ohm

1/Rp= 1/3 + 1/6 =2/6 + 1/6 = 3/6 =  1/2

∴ Rp = 2 ohms

Rs = 2+2 = 4 ohms