Which of the following is the condition for resonance in LCR circuit? (Symbols have usual meanings)
A
B
Z is minimum
C
Current and voltage are in same phase
D
All of these
Text Solution
Verified by ExpertsThe correct answer is:
D
At resonance in an LCR circuit:
• Inductive reactance equals capacitive reactance 
• Net reactance is zero 
impedance Z is minimum (equal to R )
• Current and voltage are in the same phase
Hence, all statements are true.
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