Stress and Strain
... The Gage Factor equation shows that it is the fractional change in resistance the important quantity rather than the absolute change of resistance of the gauge. Lets see just how large this resistance change will be for a common strain gauge with G = 2 and nominal resistance of 120 . The Gage Facto ...
... The Gage Factor equation shows that it is the fractional change in resistance the important quantity rather than the absolute change of resistance of the gauge. Lets see just how large this resistance change will be for a common strain gauge with G = 2 and nominal resistance of 120 . The Gage Facto ...
Using a multimeter to take measurements - SBSZ Jena
... Diodes EQUIPMENT REQUIRED Prototype board; avometer or two digital multimeters ; variable power supply; resistors 47R; Si-diode and Ge-diode THEORY ...
... Diodes EQUIPMENT REQUIRED Prototype board; avometer or two digital multimeters ; variable power supply; resistors 47R; Si-diode and Ge-diode THEORY ...
Lab 2: DC Measurements - University of Florida
... The ohmmeter shown in the below figure is not a precision instrument, but it is useful for the rapid measurement of resistance. It consists of a meter, a series resistor, and a series dc voltage source, as shown in Fig. 4. The unknown resistor (Rx) to be measured is connected to the ohmmeter circuit ...
... The ohmmeter shown in the below figure is not a precision instrument, but it is useful for the rapid measurement of resistance. It consists of a meter, a series resistor, and a series dc voltage source, as shown in Fig. 4. The unknown resistor (Rx) to be measured is connected to the ohmmeter circuit ...
Document
... Ohm’s Law: V = IR c) If the resistors were light bulbs, explain in terms of charge flow (current) and energy per charge (voltage) which bulb would be brightest / dimmest. The brightness of the bulb is related to - V (amount of electrical energy lost and converted to heat/light) and - I (the higher ...
... Ohm’s Law: V = IR c) If the resistors were light bulbs, explain in terms of charge flow (current) and energy per charge (voltage) which bulb would be brightest / dimmest. The brightness of the bulb is related to - V (amount of electrical energy lost and converted to heat/light) and - I (the higher ...
Lab 3 Series and Par..
... to zero both sensors. This sets the zero for both probes with no current flowing and with no voltage applied. 4. Connect the series circuit shown in Figure 2 using the 100 resistors for resistor 1 and resistor 2. Notice the Voltage Probe is used to measure the voltage applied to both resistors. Th ...
... to zero both sensors. This sets the zero for both probes with no current flowing and with no voltage applied. 4. Connect the series circuit shown in Figure 2 using the 100 resistors for resistor 1 and resistor 2. Notice the Voltage Probe is used to measure the voltage applied to both resistors. Th ...
4 Series Circuit Characteristics
... In this section some basic information about circuits will be mentioned. A circuit is a path for electrons to flow through. The path is from a power sources negative terminal, through the various components and on to the positive terminal. Although the physical picture of current is a flow of electr ...
... In this section some basic information about circuits will be mentioned. A circuit is a path for electrons to flow through. The path is from a power sources negative terminal, through the various components and on to the positive terminal. Although the physical picture of current is a flow of electr ...
PolySwitch PPTC Device Principals of Operation
... surges and overtemperature faults. Like traditional fuses, these devices limit the flow of dangerously high current during fault conditions. The PolySwitch device, however, resets after the fault is cleared and power to the circuit is removed, thereby reducing warranty, service and repair costs. ...
... surges and overtemperature faults. Like traditional fuses, these devices limit the flow of dangerously high current during fault conditions. The PolySwitch device, however, resets after the fault is cleared and power to the circuit is removed, thereby reducing warranty, service and repair costs. ...
DC CIRCUIT TERMINOLOGY
... Schematic diagrams are the standard means by which we communicate information in electrical and electronics circuits. On schematic diagrams, the component parts are represented by graphic symbols, some of which were presented earlier in Module 1. Because graphic symbols are small, it is possible to ...
... Schematic diagrams are the standard means by which we communicate information in electrical and electronics circuits. On schematic diagrams, the component parts are represented by graphic symbols, some of which were presented earlier in Module 1. Because graphic symbols are small, it is possible to ...
Nodal analysis
... • How big should R be in the regulator shown? • If the load draws a current I, then the resistor must carry that current when the unregulated voltage is at the lowest point, without letting the regulated voltage drop. • Lets say the load draws 10 milliamps, the regulated voltage is 2 volts, and the ...
... • How big should R be in the regulator shown? • If the load draws a current I, then the resistor must carry that current when the unregulated voltage is at the lowest point, without letting the regulated voltage drop. • Lets say the load draws 10 milliamps, the regulated voltage is 2 volts, and the ...
PhET parallel and series circuits lab
... Students will be able to describe conceptually how adding resistors to a circuit will change the current through and the power output from a light bulb. Using the circuits site: To add a component: click and drag the component to the work area. To remove a component: right click on the middle ...
... Students will be able to describe conceptually how adding resistors to a circuit will change the current through and the power output from a light bulb. Using the circuits site: To add a component: click and drag the component to the work area. To remove a component: right click on the middle ...
Electricity Electric Circuits
... • Discuss how the voltage across Students study the charging and a capacitor varies with time as it discharging rates of a capacitor and charges and discharges. use the data to construct graphs. They discover that the relationship • Explain how the current in between voltage and time is not a circ ...
... • Discuss how the voltage across Students study the charging and a capacitor varies with time as it discharging rates of a capacitor and charges and discharges. use the data to construct graphs. They discover that the relationship • Explain how the current in between voltage and time is not a circ ...
Photoresistor, Transistor, and LED`s
... 15mA to reach full brightness, but are not designed to handle more than about 20 mA of current (though some can handle upwards of 80 mA). You will therefore always need to provide a resistor in series with an LED to limit the current to about 20 mA or less, or else you will burn it out. Also, don’t ...
... 15mA to reach full brightness, but are not designed to handle more than about 20 mA of current (though some can handle upwards of 80 mA). You will therefore always need to provide a resistor in series with an LED to limit the current to about 20 mA or less, or else you will burn it out. Also, don’t ...
A Glossary of Electrical Terms - School of Physics
... electrically neutral. Charge does not exist independently of matter. charging: "charging" a battery is a misnomer for "energising" it. It means putting energy into the battery by forcing a current through the battery, against the battery's emf. The term charging is misleading because the total charg ...
... electrically neutral. Charge does not exist independently of matter. charging: "charging" a battery is a misnomer for "energising" it. It means putting energy into the battery by forcing a current through the battery, against the battery's emf. The term charging is misleading because the total charg ...
Science 14 Lab 3 - DC Circuits Theory All DC circuit analysis (the
... Consider point d to be at ground (zero potential, Vd = 0). This will be true for all other circuits constructed in this lab. This point should be connected to the negative terminal of the power supply but need not be otherwise grounded. a. Compute the total resistance of the circuit RT using equatio ...
... Consider point d to be at ground (zero potential, Vd = 0). This will be true for all other circuits constructed in this lab. This point should be connected to the negative terminal of the power supply but need not be otherwise grounded. a. Compute the total resistance of the circuit RT using equatio ...
Heating effect of el. currents (PPT)
... Devices for which current through them is directly proportional to the potential difference across device are said to be ‘ohmic devices’ or ‘ohmic conductors’ or simply resistors. In other words the resistance stays constant as the voltage changes. There are very few devices that are trully ohmic. H ...
... Devices for which current through them is directly proportional to the potential difference across device are said to be ‘ohmic devices’ or ‘ohmic conductors’ or simply resistors. In other words the resistance stays constant as the voltage changes. There are very few devices that are trully ohmic. H ...
What is an oscillator
... The types of Oscillator An oscillator is a circuit that produces a repetitive signal from a dc voltage. The feedback type oscillator which rely on a positive feedback of the output to maintain the oscillations. The relaxation oscillator makes use of an RC timing circuit to generate a non-sinusoidal ...
... The types of Oscillator An oscillator is a circuit that produces a repetitive signal from a dc voltage. The feedback type oscillator which rely on a positive feedback of the output to maintain the oscillations. The relaxation oscillator makes use of an RC timing circuit to generate a non-sinusoidal ...
series and paralell circuits
... button, wait a second or two, then press on the switch to 23. Click on the complete the circuit. Release the switch just before the graph is completed. 24. Select the region of the graph where the switch was on by dragging the cursor over it. Click on the Statistics button, , and record the average ...
... button, wait a second or two, then press on the switch to 23. Click on the complete the circuit. Release the switch just before the graph is completed. 24. Select the region of the graph where the switch was on by dragging the cursor over it. Click on the Statistics button, , and record the average ...