Question

Drive the formula for calculating net resistance when three resistances are connected in parallel combination. Show how you would connect three resistors each of 6 ohm so that the combination has a resistance of
a) 4ohm
b) 9ohm

Answer 1

Answer:

Given: R

1

=2ohm, R

2

=3 ohm, R

3

=6ohm

Formula:

R

1

=

R

1

1

+

R

2

1

+

R

3

1

=

2

1

+

3

1

+

6

1

∴R=

6

3+2+1

=

6

6

=1ohm.

Answer 2

Answer:

b)9ohm the best of luck to you