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Network theory miscellaneous

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Network Elements and the Concept of Circuit
Network theory miscellaneous
  1. For the circuit shown below, V = 30V. Find R—


    1. 600Ω
    2. 300Ω
    3. 900Ω
    4. None of these Statement for
Correct Option: B

The given circuit

The current in 200Ω resistance

I200Ω = I400Ω =
– 30V
=
1
A = 50mA
600Ω20

Current in RΩ resistance
IRΩ = 150 – 50 = 100mA
Now,
R =
V
=
30V
= 300Ω
IRΩ100mA

Hence alternative (B) is the correct choice.


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