Question

You have 4 resistors of 10 ohm each. how will you connect them to get equivalent resistance as 10 ohm?

Answer 1

Connecting in parallel...

1/r1= (1/10+ 1/10)

r1= 5

1/r2= (1/10+ 1/10)

r2= 5

R=r1+r2

R=5+5

R=10 ohm

Hence, connect 2 resistors in parallel 2 times