QUESTIONS lesson 4 - JUANA
... If the circuit has no resistance it can produce a short circuit. In other words , the amount of electrons flowing is so high that the circuit can be burned out. ( in the case where the generator is a battery it will run down very quickly) If it has infinite resistance, the electrons cannot flow thro ...
... If the circuit has no resistance it can produce a short circuit. In other words , the amount of electrons flowing is so high that the circuit can be burned out. ( in the case where the generator is a battery it will run down very quickly) If it has infinite resistance, the electrons cannot flow thro ...
50W - 100W, Rugged, Ultra-compact, Industrial DC/DC Converter
... complete turn-key unit with input filter, hold-up capacitors and output filter. Cooling is via baseplate to a heatsinking surface and by natural convection. Low component count, large design headrooms, and the use of components with established reliability result in a high MTBF. It features 135kHz s ...
... complete turn-key unit with input filter, hold-up capacitors and output filter. Cooling is via baseplate to a heatsinking surface and by natural convection. Low component count, large design headrooms, and the use of components with established reliability result in a high MTBF. It features 135kHz s ...
Experiment 9 – Bipolar Junction Transistor Amplifier
... 1. What is the nominal value of C1? Calculate its impedance at 10 kHz. Then wire in C1. 2. Connect a 10 kHz sine wave from the FG to the amplifier input. Initially set the input signal, vi, for a peak-to-peak (p-p) value of about 300 mV. Display the output signal vO1 and compare it to the input sig ...
... 1. What is the nominal value of C1? Calculate its impedance at 10 kHz. Then wire in C1. 2. Connect a 10 kHz sine wave from the FG to the amplifier input. Initially set the input signal, vi, for a peak-to-peak (p-p) value of about 300 mV. Display the output signal vO1 and compare it to the input sig ...
FUNDAMENTALS OF WATER
... polarity of the generator or alternator reverses periodically current varies periodically in value and directions, first flowing in one direction in the circuit and then flowing in the opposite direction Generation of AC (additional information) ...
... polarity of the generator or alternator reverses periodically current varies periodically in value and directions, first flowing in one direction in the circuit and then flowing in the opposite direction Generation of AC (additional information) ...
2-terminal vs. 4-terminal resistors
... connections avoids the TCR (temperature coefficient of resistance) contribution of the lead wires, thereby resulting in tighter thermal stability compared to conventional two-terminal shunts. The above figure illustrates the four-terminal connection (developed by Lord Kelvin) that enables the voltag ...
... connections avoids the TCR (temperature coefficient of resistance) contribution of the lead wires, thereby resulting in tighter thermal stability compared to conventional two-terminal shunts. The above figure illustrates the four-terminal connection (developed by Lord Kelvin) that enables the voltag ...
Electric Current Synchronous Session
... • 1) 3 volts is applied over a 6 ohm resistor. What is the current in amperes? • 2) A lamp connected to a 6 volt battery passes a current of 0.06 amperes. What is the lamp’s ...
... • 1) 3 volts is applied over a 6 ohm resistor. What is the current in amperes? • 2) A lamp connected to a 6 volt battery passes a current of 0.06 amperes. What is the lamp’s ...
PH 292, General Physics Laboratory II, Spring 2003
... temperature surrounding a thermister rises. Define thermister: A semiconductor resistor whose resistance varies rapidly and predictably with temperature. Show that the resistive value of a thermister lowers as you raise its temperature. The thermistor is ~15K at room temp and ~1K when hot. In this l ...
... temperature surrounding a thermister rises. Define thermister: A semiconductor resistor whose resistance varies rapidly and predictably with temperature. Show that the resistive value of a thermister lowers as you raise its temperature. The thermistor is ~15K at room temp and ~1K when hot. In this l ...
EUP3010/A 1.5MHz,1A Synchronous Step-Down Converter with Soft Start
... (1A+200mA). For better efficiency, choose a low DC-resistance inductor. CIN and COUT Selection In continuous mode, the source current of the top MOSFET is a square wave of duty cycle VOUT/VIN. The primary function of the input capacitor is to provide a low impedance loop for the edges of pulsed curr ...
... (1A+200mA). For better efficiency, choose a low DC-resistance inductor. CIN and COUT Selection In continuous mode, the source current of the top MOSFET is a square wave of duty cycle VOUT/VIN. The primary function of the input capacitor is to provide a low impedance loop for the edges of pulsed curr ...
Ohm`s Law with Pasco
... 6. Stop the data collection and safe your results. 7. Click Preview, and Repeat the measurements for a 10-ohm resistor, and safe your results in BB. 8. Repeat the measurements for a light bulb for the following conditions: Maximum current = 0.3 A, collect data by lowering current by 0.05 A till abou ...
... 6. Stop the data collection and safe your results. 7. Click Preview, and Repeat the measurements for a 10-ohm resistor, and safe your results in BB. 8. Repeat the measurements for a light bulb for the following conditions: Maximum current = 0.3 A, collect data by lowering current by 0.05 A till abou ...
LM2623 Ratio Adaptive, Gated Oscillator Cookbook
... voltage divided through RF1 and RF2 and triggers the regulation limit each time the switch pin swings positive. When the coil discharges its energy, the output voltage reduces and falls below the regulation limit. This turns the oscillator back on again and the supply goes through another switching ...
... voltage divided through RF1 and RF2 and triggers the regulation limit each time the switch pin swings positive. When the coil discharges its energy, the output voltage reduces and falls below the regulation limit. This turns the oscillator back on again and the supply goes through another switching ...
... resonance circuits. Many features of the scope will be used: including dual traces; differential inputs; and external triggering. Since this is the first experiment in which you have used the oscilloscope so a little extra care is appropriate. Refer to the General Instructions for the Laboratory for ...
... resonance circuits. Many features of the scope will be used: including dual traces; differential inputs; and external triggering. Since this is the first experiment in which you have used the oscilloscope so a little extra care is appropriate. Refer to the General Instructions for the Laboratory for ...
Hardware Test Plan
... for probing locations), collect data, and plot in Excel. Plot points logarithmically (frequency on x-axis, ratio of output/input on y-axis). An example of a theoretical BPF response is shown in figure 2. Look for roll-off at lower frequencies (<20Hz) as well as high frequencies (>2000Hz). Greatest R ...
... for probing locations), collect data, and plot in Excel. Plot points logarithmically (frequency on x-axis, ratio of output/input on y-axis). An example of a theoretical BPF response is shown in figure 2. Look for roll-off at lower frequencies (<20Hz) as well as high frequencies (>2000Hz). Greatest R ...
IALP 2011 – Analog Electronics
... resistance. The current flows there where there is least resistance, entirely through the amperimeter. This current through the amperimeter is given by Ohm's Law I = V/R = (5 V)/(0 Ω) = ∞ As you can see on the multimeter, the maximum current it can stand is 10 ampere (10 A). Yes, that is right, you ...
... resistance. The current flows there where there is least resistance, entirely through the amperimeter. This current through the amperimeter is given by Ohm's Law I = V/R = (5 V)/(0 Ω) = ∞ As you can see on the multimeter, the maximum current it can stand is 10 ampere (10 A). Yes, that is right, you ...
Resistive opto-isolator
Resistive opto-isolator (RO), also called photoresistive opto-isolator, vactrol (after a genericized trademark introduced by Vactec, Inc. in the 1960s), analog opto-isolator or lamp-coupled photocell, is an optoelectronic device consisting of a source and detector of light, which are optically coupled and electrically isolated from each other. The light source is usually a light-emitting diode (LED), a miniature incandescent lamp, or sometimes a neon lamp, whereas the detector is a semiconductor-based photoresistor made of cadmium selenide (CdSe) or cadmium sulfide (CdS). The source and detector are coupled through a transparent glue or through the air.Electrically, RO is a resistance controlled by the current flowing through the light source. In the dark state, the resistance typically exceeds a few MOhm; when illuminated, it decreases as the inverse of the light intensity. In contrast to the photodiode and phototransistor, the photoresistor can operate in both the AC and DC circuits and have a voltage of several hundred volts across it. The harmonic distortions of the output current by the RO are typically within 0.1% at voltages below 0.5 V.RO is the first and the slowest opto-isolator: its switching time exceeds 1 ms, and for the lamp-based models can reach hundreds of milliseconds. Parasitic capacitance limits the frequency range of the photoresistor by ultrasonic frequencies. Cadmium-based photoresistors exhibit a ""memory effect"": their resistance depends on the illumination history; it also drifts during the illumination and stabilizes within hours, or even weeks for high-sensitivity models. Heating induces irreversible degradation of ROs, whereas cooling to below −25 °C dramatically increases the response time. Therefore, ROs were mostly replaced in the 1970s by the faster and more stable photodiodes and photoresistors. ROs are still used in some sound equipment, guitar amplifiers and analog synthesizers owing to their good electrical isolation, low signal distortion and ease of circuit design.