ELECTRICITY FOR TRADES (LOOSELEAF)
3rd Edition
ISBN: 9781260437454
Author: Petruzella
Publisher: MCG
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Chapter 5.2, Problem 5RQ
Two 12-V, 10-W lamps are connected in parallel to a 12-VDC source.
- a. How many current paths are produced?
- b. What is the value of the voltage drop across each lamp?
- c. Comment on the brightness of each lamp (full or dim). Why?
- d. Assume that one lamp burns open (or out). What affect, if any, does this have on the other lamp? Why?
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Chapter 5 Solutions
ELECTRICITY FOR TRADES (LOOSELEAF)
Ch. 5.1 - Prob. 1RQCh. 5.1 - Polarity markings are shown on symbols...Ch. 5.1 - Compare the type of voltage produced by a solar...Ch. 5.1 - Explain how circuit breakers and fuses protect a...Ch. 5.1 - What are the two basic functions of a switch?Ch. 5.1 - Compare the operation of a normally open and...Ch. 5.1 - What type of circuit component is a light bulb...Ch. 5.1 - In general, what is the function of resistors...Ch. 5.1 - Two wires are shown on an electrical diagram...Ch. 5.1 - Give one advantage and one limitation of the...
Ch. 5.1 - Explain why schematic diagrams are easier to read.Ch. 5.1 - What is a wiring diagram intended to show?Ch. 5.1 - Prob. 13RQCh. 5.1 - The one-line diagram is often used with a power...Ch. 5.2 - What best describes a simple circuit?Ch. 5.2 - A lamp is to turn ON when either one or the other...Ch. 5.2 - What connection of two or more switches can be...Ch. 5.2 - Three 120-V, 40-W incandescent lamps are connected...Ch. 5.2 - Two 12-V, 10-W lamps are connected in parallel to...Ch. 5.2 - A control system calls for a light to come on when...Ch. 5.2 - One bulb in a 20-string series-connected holiday...Ch. 5.2 - Prob. 8RQCh. 5.2 - Prob. 9RQCh. 5.2 - Prob. 10RQ
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- 2. a) Given the circuit shown below in figure P2, compute the inductor current, iL(t), for t≥ 0 utilizing the generalized equation method presented in lecture. Assume the switch shown in figure P2 is ideal and opens in zero time at t=0[s]. The current and voltage conventions shown must be used in the analysis to receive any credit. b) Use your answer to part 2(a) above and the relationship between the inductor current, iL(t), and the inductor voltage, VL(t), shown below in equation P2 to compute VL(t) for t≥0. Equation P2: V(t) = L di(t) dt + Vs = 100[V] t=0 I₁ R₁ = 100[2] w V₁ A ||iz(t) V2(t) R₂ = 200[2] ↓iL(t) | iz(t) V3(t) R3 = 200[2] VL(t) L = 1[H] B Figure P2arrow_forwardI WANT THIS PART BELWO ONLY2. For the system above the input is v(t) = 2 + 4 sin(0.25t +20°) + 5cos (t -25°)a) Determine the output signal vo (t).b) Determine the input normalized power pertaining to vt(t)c) Determine the percent of input normalized power that is transferred to the outputVo(t)arrow_forwards+10 H(s) = 10. 1. Rewrite the network function as a product of recognizable 1st order responses. 2. Name each response (gain, LP, HP, diff., integrator, augmented diff.) and provide a numeric value for the respective critical frequency. • Clue: Integrators and differentiators are uniquely specified by their "unity gain” frequency the frequency at which the magnitude response becomes 1 or 1 dB. 3. Sketch the corresponding magnitude response on a dB-per-decade (log-log) scale.arrow_forward
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