A voltage source \( \mathrm{V}=\mathrm{V}_{0} \sin (100 \mathrm{t}) \) is connected to a black box in which there can be either one element out of \( \mathrm{L}, \mathrm{C}, \mathrm{R} \)
\( \mathrm{P} \) or any two of them connected in series.
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At steady state. the variation of current in the circuit and the source voltage are plotted together with time, using an oscilloscope, as shown
Values of the parameters of the elements, present in the black box are -
(a) \( \mathrm{R}=50 \Omega, \mathrm{C}=200 \mu \mathrm{f} \)
(b) \( \mathrm{R}=50 \Omega, \mathrm{L}=2 \mathrm{~m} \mu \)
(c) \( \mathrm{R}=400 \Omega, \mathrm{C}=50 \mu \mathrm{f} \)
(d) None of these
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