MHT CET202521 Apr 2025Evening ShiftPhysicsAlternating CurrentActual
An ideal inductor of ( 1 ) H is connected in series with a 300 resistor. If a 20 ~V , 200 ~Hz alternating source is connected across the combination, the phase difference between the voltage and current is
Options
- A⁻¹ ( 3 4 )
- B⁻¹ ( 4 3 )
- C⁻¹ ( 5 4 )
- D⁻¹ ( 4 5 )
Correct answer
B. ⁻¹ ( 4 3 )
Step-by-step solution
The phase difference between voltage and current in an RL circuit is determined by the ratio of inductive reactance to resistance. The inductive reactance is given by X_L = 2 f L = 2 200 1 = 400 . The phase angle satisfies = X_L R = 400 300 = 4 3 , yielding = ⁻¹ ( 4 3 ) . The calculated phase difference corresponds to option B .