Here is analysis 3 for your reference:

Charging the RC circuit with ?=?0 ?.

By using data in Table 3, plot ??-versus-?.

Use Equation (5), ??(?)=?0(1??^(??/(??)) and find the best parameters: ?0 and ??-product to fit your experimental data.

Record the fitting parameters:

?0=

?02 =?? =

	Table 3
	Charging the capacitor connected to R= 50?
t (min)	t (s)	V (V)
	5	0.37
	15	0.91
	30	1.51
	45	1.94
	60	2.26
	75	2.49
	90	2.66
	105	2.78
	120	2.87
	135	2.94
	150	2.98
	180	3.04
	210	3.08
	250	3.10