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Electric circuits miscellaneous

  1. If VA – VB = 6V ; then VC – VD is

    1. – 5 V
    2. 2 V
    3. 3 V
    4. 6 V
Correct Option: A

I =
VA - VB
=
6
= 3 A ;
22

Since current entering any network is same as leaving in VC - VD branch
Also it is I = 3A

VD = 2 + 3 + VC = 5 + VC ;
∴ VC – VD = – 5V



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