RC Circuits MS&T Physics 2135, Lab O4. Objectives  Measure the time constant of a series RC circuit.  Determine C Note: You will be using a 1F, 5V electrolytic.

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RC Circuits MS&T Physics 2135, Lab O4

Objectives  Measure the time constant of a series RC circuit.  Determine C Note: You will be using a 1F, 5V electrolytic capacitor today. Power must always be applied such that the positive terminal (red lead) is at a higher voltage than the negative terminal (black lead). Connecting the capacitor backwards or exceeding 5V may cause irreparable damage, so DON’T DO IT!!!! MS&T Physics 2135, Lab O4: RC CircuitsSlide 2/4

MS&T Physics 2135, Lab O4: RC CircuitsSlide 3/4 The Blue Board Explained  The two components in the black box are resistors. Measure both with your DMM; they should have similar resistances. Use the smaller one if there is a significant difference.  The other components (diode, bulb socket, and battery clip) are unused in this lab. There are no connections between any of the remaining terminals on the board.

Taking Data  Charging circuit pictured.  The Capstone voltage probe connects directly to the capacitor leads.  Measure and plot V C (t) for both the charging and discharging circuits.  Perform the analysis on the discharging data only. MS&T Physics 2135, Lab O4: RC CircuitsSlide 4/4