Question

A coil is connected with 12v Dc supply then current is 3ampere .If same coil is connected with 12volt-50hz Ac supply then current becomes 2.4ampere.Find resistance and inductance of the coil.

Answer 1

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voltage = 12 V

current = 3 A

» V = IR

» 12 V = 3 A × R

» R = 4 $ohm$

Answer 2

voltage = 12 V

current = 3 A

» V = IR

» 12 V = 3 A × R

» R = 4 ohm