Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Textbook Question
Chapter 2, Problem 42E
Determine the magnitude of the current flowing through a 4.7 kΩ resistor if the voltage across it is (a) 1 mV; (b) 10 V; (c) 4 e−t V; (d) 100 cos(5t) V; (e) − 7 V.
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2.47. Compute the convolution sum y[n] = x[n]+h[n] of the following pairs of sequences:
(a) x[n] = u[n], h[n] = 2"u[n]
(b) x[n]=u[n]-u[n-N], h[n]=a"u[n], 0 < a <1
(c) x[n]=()"u[n], h[n] = 8[n] - 8[n-1]
2.55. Consider a discrete-time LTI system with impulse response h[n] given by
Is this system memoryless?
Ans. No, the system has memory.
h[n] = [n-1]
"4. The load impedance connected to the secondary winding of the ideal transformer in the
following circuit consists of a resistance of 237.5m2 in series with an inductor of 125µH. If the
sinusoidal voltage source v, is generating the voltage 2500 cos(400t) V, calculate the steady-state
equations for:
(a) 21.
(b) v1.
(c) i₂, and
(d) v2."
08
0,255 mH
237,5 m2
10:1
01
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Ideal
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125 ph
Chapter 2 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 2.1 - A krypton fluoride laser emits light at a...Ch. 2.1 - A typical incandescent reading lamp runs at 60 W....Ch. 2.2 - In the wire of Fig. 2.7, electrons are moving left...Ch. 2.2 - For the element in Fig. 2.11, v1 = 17 V. Determine...Ch. 2.2 - Prob. 6PCh. 2.2 - Determine the power being generated by the circuit...Ch. 2.2 - Determine the power being delivered to the circuit...Ch. 2.2 - Your rechargeable smartphone battery has a voltage...Ch. 2.3 - Find the power absorbed by each element in the...Ch. 2.4 - Prob. 11P
Ch. 2.4 - Prob. 12PCh. 2.4 - The power absorbed by the resistor if i = 3 nA and...Ch. 2 - Convert the following to engineering notation: (a)...Ch. 2 - Convert the following to engineering notation:...Ch. 2 - Prob. 3ECh. 2 - Prob. 4ECh. 2 - Convert the following to SI units, taking care to...Ch. 2 - Prob. 6ECh. 2 - It takes you approximately 2 hours to finish your...Ch. 2 - A certain krypton fluoride laser generates 15 ns...Ch. 2 - Your recommended daily food intake is 2500 food...Ch. 2 - An electric vehicle is driven by a single motor...Ch. 2 - Under insolation conditions of 500 W/m2 (direct...Ch. 2 - A certain metal oxide nanowire piezoelectricity...Ch. 2 - Assuming a global population of 9 billion people,...Ch. 2 - The total charge flowing out of one end of a small...Ch. 2 - Prob. 15ECh. 2 - The total charge stored on a 1 cm diameter...Ch. 2 - A mysterious device found in a forgotten...Ch. 2 - A new type of device appears to accumulate charge...Ch. 2 - The current flowing through a tungsten-filament...Ch. 2 - The current waveform depicted in Fig. 2.28 is...Ch. 2 - The current waveform depicted in Fig. 2.29 is...Ch. 2 - A wind power system with increasing windspeed has...Ch. 2 - Two metallic terminals protrude from a device. The...Ch. 2 - The convention for voltmeters is to use a black...Ch. 2 - Determine the power absorbed by each of the...Ch. 2 - Determine the power absorbed by each of the...Ch. 2 - Determine the unknown current for the circuit in...Ch. 2 - A constant current of 1 ampere is measured flowing...Ch. 2 - Determine the power supplied by the leftmost...Ch. 2 - The currentvoltage characteristic of a silicon...Ch. 2 - A particular electric utility charges customers...Ch. 2 - The Tilting Windmill Electrical Cooperative LLC...Ch. 2 - A laptop computer consumes an average power of 20...Ch. 2 - You have just installed a rooftop solar...Ch. 2 - Prob. 35ECh. 2 - Some of the ideal sources in the circuit of Fig....Ch. 2 - Prob. 37ECh. 2 - Refer to the circuit represented in Fig. 2.35,...Ch. 2 - Prob. 39ECh. 2 - Prob. 40ECh. 2 - Prob. 41ECh. 2 - Determine the magnitude of the current flowing...Ch. 2 - Real resistors can only be manufactured to a...Ch. 2 - (a) Sketch the current-voltage relationship...Ch. 2 - Prob. 45ECh. 2 - Figure 2.38 depicts the currentvoltage...Ch. 2 - Examine the I-V characteristics in Fig. 2.38....Ch. 2 - Determine the conductance (in siemens) of the...Ch. 2 - Determine the magnitude of the current flowing...Ch. 2 - A 1% tolerance 1 k resistor may in reality have a...Ch. 2 - Utilize the fact that in the circuit of Fig. 2.39,...Ch. 2 - For the circuit in Fig. 2.39, suppose that the...Ch. 2 - For each of the circuits in Fig. 2.40, find the...Ch. 2 - Sketch the power absorbed by a 100 resistor as a...Ch. 2 - You built an android that has a subcircuit...Ch. 2 - Using the data in Table 2.4, calculate the...Ch. 2 - Prob. 58ECh. 2 - Prob. 59ECh. 2 - Prob. 60ECh. 2 - The resistance values in Table 2.4 are calibrated...Ch. 2 - Prob. 62ECh. 2 - Prob. 63ECh. 2 - The network shown in Fig. 2.42 can be used to...Ch. 2 - Prob. 65ECh. 2 - An LED operates at a current of 40 mA, with a...Ch. 2 - You have found a way to directly power your wall...
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- 2.55. Consider a discrete-time LTI system with impulse response h[n] given by h[n]=8[n-1] Is this system memoryless? Ans. No, the system has memory.arrow_forward"1. Formulate the matrix system to find the voltages and currents of the transformer in the following circuit. Hint: Use KVL (Kirchhoff's Voltage Law) in each winding of the transformer and use the voltage and current relationships." RT www pNp Ns Rc Vp idealarrow_forward2.62. Write the input-output equation for the system shown in Fig. 2-34. Ans. 2y[n]-y[n-1] = 4x[n] + 2x[n-1] x[n] Unit delay Fig. 2-34 y[n] Σ + +arrow_forward
- (ii) Register B hold the data byte 28H and accumulator hold 97H. Show the contents of the registers B, C and accumulator after the execution of the following instructions. MOV A, B MOV C, Aarrow_forward2.53. The system shown in Fig. 2-31 is formed by connection two systems in parallel. The impulse responses of the systems are given by h₁(t)=eu(1) and h₂(1) = 2e'u(1) (a) Find the impulse response h(t) of the overall system. (b) Is the overall system stable? Ans. (a) h(t) = (e-21 + 2e')u(t) (b) Yes x(t) h₁(1) + h₂(1) Fig. 2-31 + y(t) Σarrow_forward2.54. Consider an integrator whose input x(t) and output y(t) are related by y(t) = '_x(T) dT (a) Find the impulse response h(t) of the integrator. (b) Is the integrator stable? Ans. (a) h(t) = u(t) (b) Noarrow_forward
- 2.61. Is the system described by the differential equation linear? Ans. No, it is nonlinear. dy(t) +5y(1)+2=x(1) dtarrow_forward2.64. Consider a discrete-time system whose input x[n] and output y[n] are related by y[n] y[n-1] = x[n] with y[-1] = 0. Find the output y[n] for the following inputs: (a) x[n]=()u[n]; (b) x[n]=()u[n] Ans. (a) y[n] = 6[()*+' - (¹)" + ¹]u[n] (b) y[n] = (n+1X)"u[n]arrow_forwardQ5. Write a program in assembly language using instructions of SAP-III computers to complement the 256 bytes stored in memory locations 2500 H through 25FF H. Store the complemented data in memory locations starting at 2600 H.arrow_forward
- meinory (b). Write an assembly language program in 8085 microprocessors to exchange conte HL register pair with DE register pair using PUSH and POP instructions. 3 | Pagearrow_forwardQ2. (a) sixteen bytes of data are stored in memory location starting at 8050H to 805FH. Write a program to transfer the entire block of data bytes to new memory locations starting at 8070H Data byte 37 A2 F2 82 57 5A 7F DA E5 8B A7 C2 B8 10 19 98 Hint. Start with showing data transfer, flow chart, and then machine writing. (b). write instruction to store the contents of register B into the memory locationarrow_forward2. This question concerns the function f(x) = x² exp(−) 0arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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