Charges on the capacitors in four oscillating LC circuits vary as foll – McqOptions

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1.	Charges on the capacitors in four oscillating LC circuits vary as follows: (1) q=2 cos 4t, (2) q =4 cos t, (3) q = 3 cos 4t, (4) q = 4 cos 2t, with q in coulomb and t in second. In which circuit(s) current amplitude is greatest?
A.	(1)
B.	(2)
C.	(3)
D.	-4
Answer» D. -4

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