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An LED always requires a current limiting resistor in series with it. Which of these resistances...
(6) A blue LED with a forward voltage drop of 3.5V is to be energized from a 12 volt battery. To light the blue LED to ful brightness requires a current of 20 mA through the LED. The blue LED has a peak inverse voltage rating of 5 V. i) Draw the circuit dingram of the arrangement you will use to light the LED to full brightness. (ii What is the value of the resistor you will use in your...
A series circuit has two resistor with resistances of 3,000Ω and 10,000Ω. If the current through the 3000 resistor is 1.5mA what is the voltage of the power supply a. 4.00V b. 15.00V c. 3.46V d. 19.50V There are 3 resistors hooked up in parallel. Their resistances are 500Ω 2,500Ω and 8,000Ω, if the power supply provides 10V, what is the current going through the 2500Ω resistor. a. 0.9mA b. 4.0mA c. 1.2mA d. 25.2mA The power source of a...
solve Choose a current limiting resistor for an LED with a forward voltage drop of 2 V and a rated current of 34 mA. The LED will be powered from a 5 V supply
Series - Parallel Resistive Circuits Discuss how you can identify which resistances are in series and which ones are in parallel in a series-parallel circuit. How might this affect how you measure current and voltages in the circuit with a digital multimeter? Discuss the difference between voltage division and current division and how each can be used to analyze a series-parallel circuit.
2. (10 pts) Calculate the current through the 4 ohm resistor in the circuit if points (a) and (b) connect to a 12 Volt battery 24 3. (10 pts) Same setup as number 2. Caleulate the voltage across the 24 ohm resistor. 4. (10 pts) We have a series RC circuit. (Rİ 200 ohan, cis 50microfrads. The capacitor is initially uncharged when the switch is closed connecting a 12 Volt battery. Caleulate the voltage across the capacitor after 20 milliseconds....
Two resistors having different resistances are connected in parallel. The equivalent resistance is always Select one: O a. equal to the larger resistance. O b. equal to the smaller resistance. O c. smaller than the smaller resistance. d. between the two resistances. O e. larger than the larger resistance. A battery with potential difference 17.9 V is across two resistors that are in series. The potential difference across one of the resistors is 5.7 V. The potential difference across the...
ELT 103 Final Exam Spring 2019 1. A series-parallel circuit is: a. typically combination of series banks and parallel strings c always a combination of series banks in parallel e. always a combination of parallel banks in series. d. usually a combination of series strings and parallel banks. 2. When analyzing resistance in a series-parallel circuit, you start: a. anywhere in the circuit. / b. at the source. c. at the farthest resistor from the source. d. in any parallel...
Please do question 524 the power in watts dissipated by the resistor. Hamad Alrobayan ans:4 ource, resistor, 524) Given a series circuit consisting of a DC voltage capacitor, inductor, and switch which closes at t-o. All elements are initially uncharged. If v-1 volts, R-4 Ohms, C-1/10 Farads, and L-2 Henries. DO NOT determine current. Determine voltage across the INDUCTOR (VL(t)). Any inverse LT requires Stanley met Express any angle in radians. ans:4 Hamad Alrobayan 765 Given th vstem in Fig...
3. Not all resistor networks can be easily simplified using the formulas for resistances in series and parallel. The following circuit, which has five resistors in a "bridge" configuration, is one such circuit R2 Nevertheless, it can still be analyzed as a three-loop circuit from which the current flowing through the voltage source can be calculated (a) Write down the 3x3 matrix equation which can be solved to determine the vector of currents in the three loops (b) Using Kramer's...
1. In an AC series circuit, the current in a pure resistor differs in phase with the applied voltage by what angle? Options: a=zero, b=45°, c=90° d=180 2. In the inductor of a 60-Hz AC series circuit, the peak voltage precedes the peak current in each cycle by what time interval? Option: a)2.1 ´ 10-3 s b)4.2 ´ 10-3 s c) 8.3 ´ 10-3 s d) 1.7 ´ 10-3 s 3) What is the impedance of an AC series circuit...