SSA of RL circuit
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Q. The two elements in the circuit given below are,

v(t) = 50 cos(5000t + 30°) V
i(t) = 10 cos (5000t - 23.13°) A

v(t) = 50 cos(5000t + 30°) V
i(t) = 10 cos (5000t - 23.13°) A
- R = 4 Ω and C = 0.4 mF
- R = 4.5 Ω and L = 0.6 mH
- R = 3 Ω and L = 0.8 mH
- R = 3 Ω and C = 0.8 mF
Q. Find the voltage Vxy across the 3Ω resistor

- 5.57 sin (2t−21.8o)
- 8.53 sin (3t−21.8o)
- 5.57 cos (2t−21.8o)
- 8.53 cos (3t−21.8o)
Q. For the circuit shown, current
¯I1=6∠30∘Aand ¯I2=2∠20∘A
The instantaneous current ¯I3 at 60 Hz frequency is_____
- 5.72 sin (377t + 34.92 )A
- 5.72 cos(377t - 34.92°) A
- 4.27 sin (314t + 26.91°) A
- 4.27 cos (314t - 26.91°) A