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At point P, the value of (dy)/(dx) is :...

At point P, the value of `(dy)/(dx)` is :

A

0.2 A

B

0.3 A

C

0.4 A

D

0.6 A

Text Solution

Verified by Experts

The correct Answer is:
C
`V = IR` as V = constant
`I prop 1/R`
`I_(2) = (1/R_(2))/(1/R_(eq)) xx I = (1/R_(2))/(1/R_(1) + 1/R_(2) + 1/R_(2))I`
`= [1/15/(1/10 + 1/10 + 1/30)] xx 1.2 = 0.4 A`
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