NEET Physics Alternating Current Questions Solved


In an ac circuit the reactance of a coil is 3 times its resistance, the phase difference between the voltage across the coil to the current through the coil will be 

(1) π/3

(2) π/2

(3) π/4

(4) π/6

(1) tanϕ=XLR=3RR=3ϕ=60o=π/3  

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