if the two branches of a 440v parallel circuit have the impedences z1=2-j and z2 1+j3...
two impedances z1=3+j6 ohms and z2=4-j3 ohms are connected in series. what is the magnitude of the resultant impedance ?
if z1=2+j, z2=3-j2, evaluate the following: If z,-2 +j, z2-3-j2, evaluate the following: 2z1 -z2 +3-j
Alength-13Type1real-coefficientFIRfilterhasthefollowingzeros: z1 = 0.8,z2 = −j,z3 = 2−j2, z4 = −0.5 + j0.3. (a) Determine the locations of the remaining zeros. (b) What is the transfer function H(z) of the filter? (Hint: Use matlab function poly to determine the transfer function.)
Describe by words and/or pictures, z, z1, z2, such that: 1) |z+5| = 3 2) -3 < Re(z) < 5 3) Arg(z1) = Arg(z2) 4) |z1| = |z2| 5) Im(z1 z*2) = 0 6) |z| = |z*| ** z* = "complex conjugate of z"
Let Z! = 3H4, Z2-5-2, Z,--3-12, Z4--10-j6, and Z5--6-3. 1. Calculate Z1 + Z2 in rectangular form. 2. Calculate Z1 - Z2 in rectangular form. 3. Calculate Z3 + Z4 in polar form. 4. Calculate Za - Z5 in polar form. 5. Calculate Z1Z2-Z3 in rectangular form. 6. Find ZsZ7 in polar form. 7. Find Z7Zs in rectangular form. 8. Find ZsZs+Z7 in rectangular form Reduce the following to rectangular form. 10. Z1/Z2
Ifz-I+),22-1-j, and 3=-2, calculate the magnitude and phase (in radians) of (a) zi (b) z2 (c) z3 (d) z1 +z (e) z z3 (f) z1z2 (g) t22 (h) 을 2. 21 23 21-23 Z1
A pair of enclosed spur gears have z1 =20, z2 =80, m = 3 mm and face width factor of ?d =1.0. The pinion rotates at n1 =970 rpm. The allowable contact stress of the pinion and gear are [?H1] = 700 MPa, [?H2] = 500 MPa, respectively. The load factor is K =1.5, zone factor is ZH =2.5, elastic coefficient is ZE =189.8 MPa1/2. Determine the power that can be transmitted by tooth surface contact strength analysis.
Question 1 Let Y = 1 +2X + u where X = Zn4Z2, u = Z1-22, Z1 and Z2 are independent standard normals. We have iid observations (X,, Y1 from this model. (a) Suppose we run the following regression to obtain the OLS estimator β0Ls. What would you expect the value of β0LS to be when no Please give a numerical answer (b) Suppose we run the following regression to obtain the OLS estimator γ0Ls. What would you expect the...
Problem 1: Consider the following complex numbers: Z1 = 2 + j4 Z2 = 5e3 a) Write zi in polar form b) Write ze in rectangular form c) Plot the product of zı & z2 in the complex plane with x(0) = 0.3 Problem 2: Consider the system: dx/dt = -3x a) Solve the initial value problem b) Plot the resulting function
For the circuit Figure 5: V = 480220° V, Zline = 0.14+j0.22 2. Zoad = 5+j3 22 Determine the current through the circuit, the voltage across the line, the voltage across the load, the real power of the source, line and load, the reactive power of the source, line and load, and the apparent power of the source, line and load. Is the magnitude of the voltage at the load higher or lower than that of the source? Discuss what...