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Network TheoryTransient Analysis

Immediately after a switching operation, which quantity of an ideal inductor cannot change instantaneously?

  • AVoltage
  • BCurrent
  • CResistance
  • DPower
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Correct Answer: B. Current
Explanation: Inductor current cannot change instantaneously because v = L di/dt; an instantaneous finite current change would require an impulse or unbounded voltage.
Reference: Standard network theory: transient analysis
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