Question

Calculate the combined resistance in each case​

Answer 1

(a) R1 = 500ohm, R2 = 1000ohm

As per given figure,

R = R1 + R2 = 500 + 1000 = 1500ohm.

(b) R1 = 2ohm, R2 = 2ohm

As per given figure,

1/R = 1/R1 + 1/R2

1/R = 1/2 + 1/2

R = 1ohm

(c) R1=4ohm, R2 = 4ohm, R3 = 3ohm

As per given figure,

1/R=1/R1 + 1/R2

1/R = 1/4 + 1/4

R = 2ohm

Total resistance =R + R3

= 2 + 3 = 5ohm

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Answer 2

Explanation:

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this the answer