When an AC voltage, of variable frequency is applied to series L-C-R c

1.	When an AC voltage, of variable frequency is applied to series L-C-R circuit , the current in the circuit is the same at 4 kHz and 9 kHz. The current in the circuit is maximum at1) 5kHz2)6.5kHz3)4.2kHz4)6kHz
Answer» ANSWER: D) 6 KHZ Explanation: X= √4×9 = √36 = 6 khz

When an AC voltage, of variable frequency is applied to series L-C-R circuit , the current in the circuit is the same at 4 kHz and 9 kHz. The current in the circuit is maximum at1) 5kHz2)6.5kHz3)4.2kHz4)6kHz

Answer»

ANSWER:

D) 6 KHZ

Explanation:

X= √4×9

= √36

= 6 khz

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When an AC voltage, of variable frequency is applied to series L-C-R circuit , the current in the circuit is the same at 4 kHz and 9 kHz. The current in the circuit is maximum at1) 5kHz2)6.5kHz3)4.2kHz4)6kHz​

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When an AC voltage, of variable frequency is applied to series L-C-R circuit , the current in the circuit is the same at 4 kHz and 9 kHz. The current in the circuit is maximum at1) 5kHz2)6.5kHz3)4.2kHz4)6kHz