Concept explainers
(a)
Find the no-load value of output voltage
(b)
Find the output voltage
(c)
Find the power dissipated in the
(d)
Find the maximum power dissipated in the
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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]arrow_forward2.55. 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]arrow_forward"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 - Ideal 02 125 pharrow_forward
- 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
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