methods to find value of RTH as described below. 1. Method A: (By measuring ISC – short-circuit current) | Short the points ‘a’ and ‘b’‚ then measure the short-circuit current Isc using an ammeter. Calculator RTH as follows RTH = VTH/ ISC Method 2: (By measuring the equivalent resistance) Remove all sources from the circuit‚ i.e. replace all voltage sources with a short-circuit and current sources with an open-circuit. Then with the help of a multimeter find the resistance between the points
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An Investigation of Ohm’s Law Stephen McGill (22044566) Results from test using 25Ω Resistor: Voltage(Volts) | Current(mA) | Resistance(Ohms) | 0 | 0 | 0 | 0.57 | 20 | 28.5 | 1.01 | 40 | 25.25 | 1.49 | 60 | 24.83 | 2.01 | 80 | 25.12 | 2.51 | 100 | 25.1 | 3.0 | 120 | 25.0 | 3.51 | 140 | 25.0 | 4.0 | 160 | 25.0 | 4.5 | 180 | 25.0 | 5.03 | 210 | 23.95 | 5.52 | 230 | 24.0 | 6.02 | 250 | 24.08 | 6.51 | 270 | 24.1 | 7.0 | 290 | 24.13 | 7.5 |
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run through. Power then runs to various capacitors to store up power before running to the inductor that converts the power to usable power for the MOSFETs. As the power runs through the circuit‚ it eventually comes to resistors which slow up the current flow. Sound comes in through the inputs and to the MOSFET amplifiers. Then sound goes to the sound dampeners to clean the sound waves up before going to the sound outputs. To better understand the amp and its components we will branch off and explain
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shown in Fig.1 has two coils. The rotor is nonmagnetic and and is placed in a uniform magnetic field of magnitude B0 . The coil sides are of radius R and are uniformly spaced around the rotor surface. The first coil carrying a current I1 and second coil carrying a current I2 . Assuming that the rotor is 0.30 m long‚ R=0.13 m‚ and B0 = 0.85 T‚ find the Θ directed torque as a function of rotor position α for (a) I1 =0A and I2 =5A‚ (b)I1 =5A and I2 =0A‚ and (c)I1 =8A and I2 =8A. Uniform magnetic
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Splices and joints are two names for essentially the same thing‚ that is‚ methods of connecting two pieces of wire so as to carry either a signal or an electrical current. Usually‚ these types of connections are achieved using a soldering iron. However‚ it is highly important that the splice or joint be strong regardless of whether solder has been applied or not. Several ways exist in which to accomplish this sort of a connection. Knotted tap joint A
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IT is measuring negative because of the position it is being measured at. The measured is being taken on the current out side of the circuit. 3. Construct the circuit above on the breadboard. Connect the circuit’s input to the power supply and set it to +10 V. Use the handheld DMM to adjust the supply to +10 V. Using the handheld DMM‚ measure the values below. Remember‚ to measure current‚ the DMM must be in series with the resistor. Have the professor verify the circuit before applying power. IT:_48
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measure voltage and current in the circuit and from that figure work out emf and internal resistance of the cell‚ to identify errors involved and deal with them in the most effective way and maintain a safe working environment at all times. Background EMF (electromotive force) is a measure of work done per unit of charge and is measured in volts. Internal resistance is resistance in ohms of the cell. I will be using a 1.5V battery in the experiment. I will measure the voltage and current using multimeters
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ECT 122 Week 2 iLab #3 Part 1 Parts: Breadboard DC Power Supply Hand Held DMM Test leads Wire 56kΩ resistor 1. Given the circuit below‚ use Ohm’s law to determine the total current in the circuit and the voltage across the resistor. 5V My mulitsim of this circuit. 2. Construct the circuit above on the breadboard. Starting at the positive terminal of the +5 V power supply‚ follow the schematic around to install each component. 3. The first component
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V I will measure the Voltage and also Current of the wire. Once I have recorded the results I will repeat recording the results 2 more times at 2 more different voltages to make the experiment fair then I will find the average. I will record the Voltage and the Current of the wire in every 10 meters. I will record my results in a format of a table like this. Length (cm) Current (I)(amperes) Voltage (V) (volts) Resistance ® (Ohms) 10m 20m
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pain by promoting muscle relaxation 10. Excessive exposure to cold can damage the skin 11. Reflex vasodilation occurs following the initial vasoconstricting effects of cold 12. Pain relief is actually provided by delivering small electrical currents to the skin 13. Be sure to use conducting gel or conductor pads when applying the electrodes to the skin; clean the skin where the electrodes will be placed and dry thoroughly 14. There is a high potential for abuse 15. Review prescriptions
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