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Network Elements and the Concept of Circuit

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Network Theory

Network Elements and the Concept of Circuit
Network theory miscellaneous
  1. The rms value of the current in the a.c. circuit as shown below in the figure will be—


    1. 2 A
    2. 4 A
    3. 5 A
    4. 8 A
Correct Option: B

Since, 102 = V2 Rrms + V2Lrms
100 = V2 Rrms + 36
V2 Rrms = 100 – 36 = 64
V2 Rrms = 64 = 8

i =
V2 Rrms
=
8
 = 4 A
R2


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