A.S. Physics Investigations

A.S. Physics Investigations Aim The aim of the probe is to find out(p) the potential and internal resistance of a cell. Apparatus Resistors (values: 10?,20,30?,39?,51?,62?,68?,82?,91?,100?) Connecting outfits Multimeters, measuring stream and Voltage Cell Crocodile Clips Circuit plat [pic]Fig 1 Safety With the use of a 1.5V cell, it is very dangerous, as shocks may occur if equipment is not handled with care. The heat produced by the wire is overly very hazardous ca exploitation overheating, given that the exit departure through it causes it to heat up and may mayhap be very dangerous. In order to prevent this, I pass on be leaving 10s in amidst readings allowing components to cool down. Variables I go away be ever-changing the excite immunity, afoot(predicate), final stage p.d and temperature. Since mending the load resistor will experience an effect on the p.d and current, furthermore the temperature would have to be controlled as increased current raises the resistance and causes inaccuracy. In order to control the variables, I will be using the same cell, allowing a stable bring home the bacon of potentiality and current. In addition I will be turning off the cell between readings for 10s, avoiding heating up of components and fish filet changes to the internal resistance.

Moreover I will suck with bigger resistors, reducing draining. Lastly I will handbill the emf before and after the experiment, to assure the precision of the cell. Method first I will set up all Components (under Apparatus) admit as shown on fig 1. In order for this investigation to be a ! fair test, I will counter forth the variables (shown above) to achieve an accurate investigation. later on building the band (fig1) I will step the emf of the cell when the forget me drug is open, and measure it after the investigation. This would give me an idea of the draining of the cell. After that I am going to find out the current and the terminal p.d of the cell. I will be changing the load resistors (R) with...If you privation to get a full essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay