a.) Who is to furnish the outlet boxes required at each telephone outlet? b.) Who is to furnish the faceplate?
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a.) Who is to furnish the outlet boxes required at each telephone outlet?
b.) Who is to furnish the faceplate?
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- Can you help with 2a and 2b This is not and will not be graded 2a. An 1700–W toaster, a 1200–W electric frying pan, and a 75–W lamp are plugged into the same outlet in a 15–A, 120–V circuit. (The three devices are in parallel when plugged into the same socket.). What current is drawn by each device? Toaster = Frying pan = Lamp = 2b. Which devices can be on at the same time without tripping the 15–A fuse?Select all that are True. Frying pan Lamp ToasterConsider the following circuit diagram, assuming the voltage is V = and all the capacitors have C = 2µF. 10v, C, C3 C5 a) By finding the equivalent capacitance, and then working backwards, find the voltage drop across each capacitor, and the charge stored on each ca- pacitor. b) What is the energy stored in each capacitor? c) Now replace each capacitor with R= 20 resistors. By finding the equiv- alent resistance and working backwards, find the voltage drop across each resistor and the current through each resistor. d) What is the power dissipated by each resistor? What is the power deliv- ered by the voltage source?a) For the circuit shown, find the voltage of the unknown battery E. The ammeter can be considered perfect (i.e. no resistance), and it reads the current in the wire to be 0.5A in the direction shown. b) Find the current I1 and I2 c) Suppose the capacitor C= 2x10-12 F is hooked into the network by joining points A and A', and B and B'. After a short time the ammeter again reads 0.5A, and no current flows in the branch containing the capacitor. Find the charge on the capacitor.
- d) Find the power delivered to the resistor e) Find the rate at which the energy stored in the capacitor is increasing6. An electrical circuit is shown below. The battery supplies 15 V. The resistances have the following values: R₁= 30 Ω, R₂ = 40 Ω, R3 = 20 Ω . (a) Calculate the replacement resistance of the three resistors. (b) Calculate the total current through the circuit, and the current through the respective resistor (c) If the lower right corner is grounded, then calculate the potentials at points A and B. (d) If the current is interrupted at point C, what will be the potentials at A and B.How much power is dissipated in the 5Ω resistance? a) 7.62 w b) 11.02 w c) 2.44 w d) 9.14 w. e) none of these.
- 1) For a circuit shown in Figure, (a) find the currents I,, I,, and I,. (b) find the potential difference between points a and b. (c) find the power on 8 N. 4Ω 7 V b a 3 V 8Ω 4ΩWhen using an ammeter to measure current: Group of answer choices open the circuit at the positive and negative terminals of the battery. open the circuit and connect the meter in series between the two open ends. open the circuit at one point and connect the meter to one end. connect the meter across the battery or load.