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An RL circuit has a resistance of 3 ohms and a reactance of 4 ohms, the impedance of the circuit is
  • a)
    5 ohms
  • b)
    7 ohms
  • c)
    1 ohm
  • d)
    1.33 ohms
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
An RL circuit has a resistance of 3 ohms and a reactance of 4 ohms, th...
Concept:
For a series RL circuit, the net impedance is given by:
Z = R + j (XL)
XL = Inductive Reactance given by:
XL = ωL
The magnitude of the impedance is:
Calculation:
With R = 3 Ω and XL = 4 Ω, we get:
|Z| = 5 Ω
 
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An RL circuit has a resistance of 3 ohms and a reactance of 4 ohms, the impedance of the circuit isa)5 ohmsb)7 ohmsc)1 ohmd)1.33 ohmsCorrect answer is option 'A'. Can you explain this answer?
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