Question

The four resistors of resistance 2 Ω, 4 Ω, 1 Ω and 100 Ω are connected in parallel. Equivalent resistance will be a) 2 Ω

Answer 1

Answer:

ANSWER

Total resistance will always be less than the value of the smallest resistance That is,

R

total

1

=

R

1

1

+

R

2

1

+

R

3

1

+

R

4

1

thatis,R=R

total

−1

.

Therefore,

R

total

1

=

2

1

+

2

1

+

2

1

+

2

1

=2

or

R

total

=

2

1

=0.5Ω.

Hence, their equivalent resistance is 0.5 ohms.