Physics-
General
Easy

Question

The circuit has two oppositely connected ideal diodes in parallel. What is the current flowing in the circuit?

  1. 1.71 A    
  2. 2.00 A    
  3. 2.31 A    
  4. 1.33 A    

The correct answer is: 2.00 A


    In the given circuit diode D subscript 1 end subscript is reverse biased while D subscript 2 end subscript is forward biased, so the ircuit can be redrawn as

    Apply KVL to get current flowing through the circuit.
    minus 12 + 4i + 2i = 0
    rightwards double arrow blank equals fraction numerator 12 over denominator 6 end fraction equals 2 blank A

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