... will collide with them and the electrons will be slowed down and some f its energy will be picked up by the ions. If this happens often enough then the current will be reduced and the metal will get hotter. ...

... will be a ammeter present. I (Current in Amps) = V (Potential Difference Volts) x R (Resistance in ohms) Experimental method: The apparatus was set up as shown above. The apparatus contained what is shown however it can be put in more detail. ...

... by measuring the current that flows thought the circuit by using a milliammeter. To get a reading the light has to shin on the LDR (semi conductor) this will let free the electrons, which lets the current flow throw the ...

... by measuring the current that flows thought the circuit by using a milliammeter. To get a reading the light has to shin on the LDR (semi conductor) this will let free the electrons, which lets the current flow throw the ...

... of electricity. Resistance is the obstructions in the path of the current; therefore it slows the current down. There are four factors affecting resistance. They are: * Length * Cross-sectional area * Material * Temperature. I predict that out of the three components, the ...

... the capacitor plate The electric field inside the plates is given by where is the permittivity in vacuum Since And, and As , and With the increase of plate separation, the capacitance (C) is decreased. As Q = CV, with constant voltage supply, ...

... will change the width of the paper for each experiment by simply cutting off 1cm horizontally for each experiment, so it will go 4cm, 3cm, etc. We will do this accurately and carefully with a ruler and scissors, to ensure ...

... through the wire, they collide with the (+) ions, giving them some energy. This energy, then makes the (+) ions vibrate more rapidly, and the wire heats up. We are able to see the wire heating up as the light ...

... When charges pass through a power supply such as a battery, it gains electrical energy. The power supply is said to have an electromotive force (e.m.f). The electromotive force measures in volts, the electrical energy gained by each coulomb of ...

... information from: * "KEY SCIENCE for GCSE Physics" by Jim Breithaupt. * "Collins Total Revision GCSE Science" by Chris Sunley & Mike Smith. * "CGP GCSE Double Science Higher Physics" by Richard Parsons. * "Letts AS Physics" by Graham Booth. * Class work that I ...

... effects conductivity. I will also carry the test out at room temperature. The variables I am keeping constant are: * The input voltage used * The volume of water used * The temperature of the solution Prediction I predict that the less salt that there ...

... capacitor charges up as the current can't jump between the gap of the two plates but charge is held there because of the force of the opposite poles. This means that more and more electricity is stored until it reaches ...

... capacitor charges up as the current can't jump between the gap of the two plates but charge is held there because of the force of the opposite poles. This means that more and more electricity is stored until it reaches ...

... another is added, then the two coils have twice the strength of one. This is because the current going through the wire makes the soft-iron core is the factor that induces electromagnetism, as so when there is more current, there ...

... that the cell is not left running. I will only have the cell running the time it takes to read the readings off the Voltmeter and the Ammeter. Otherwise the cell would run out and so the results would not ...

... factors would either be difficult to control in a school physics laboratory or are not likely to have a significant effect compared to the inaccuracies of the experiment. The two factors which I have chosen to investigate are: 1) How the length of putty used ...

... 2.5 , 3). To make the experiment more precise and reliable, I will repeat the investigation so I have 2 results for every 0.5 of an amp, I will then make an average number. Prediction I predict that when the current is ...

... Acid) * different electrodes (Carbon & Copper) Summary In this investigation I analysed certain factors that I thought might affect the conductance of a solution i.e. concentration, temperature, different solutions, different electrodes. Before carrying out my actual experiment I carried out a trial ...

... that converts heat into an electrical voltage and an electric motor is a transducer that converts an electrical voltage into mechanical energy. EXHAUST GAS TEMPERATURE (E.G.T) To monitor the temperature of the exhaust Gas the application of Thermo-electric Transducers are implemented. When ...

... digital voltmeter. Fair Test I will keep the input supply and the number of turns on the supply the same I will alter the number of turns of wire on the secondary coil I will measure the output voltage from the ...

... Test S- I will keep the input supply and the number of turns on the supply the same A- I will alter the number of turns of wire on the secondary coil M- I will measure the output voltage from the second coil. Prediction Faraday's ...

... and record the average. 5. put one of the crocodile clip at the end of the pencil lead, leaving about 0.5 cm at the end. Put the second crocodile clip at the other end. 6. Measure the inside distance between the clips. ...

... the amperes to find the resistance. Voltmeter and Ammeter in a circuit diagram For this experiment I would use a series circuit rather than a parallel circuit due to you only need to test the resistance of a light bulb ...

... below.) To find the resistance of the circuit, you would then divide the voltage by the current. For this experiment I will be using a series circuit rather than ...

... will measure the current (in amps) through the bulb and the potential difference (in volts) across the bulb. To get a good range off results I will change the voltage of the power supply (from 3-12V) and move the variable ...