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A cast steel toroid has the following B / H data. Complete the data table for the corresponding values of μr and hence plot the μr / H graph, and
(a) from your graph determine the values of magnetic field strength at which the relative permeability of the steel is 520, and
(b) the value of relative permeability when H 1200 At/m. B
Under steady operating conditions, cold water at 15 oC and 200 kPa enters the water heater with a flow rate of 54 kg/min and leaves the water heater at 80 oC and 200 kPa. During its operation the water heater loses heat to its surroundings at the ..
Three single-phase transformers are connected in a wye/delta configuration. Each single-phase transformer has an identical number of turns in the primary and secondary windings. If a line-to-line voltage of 480 V is applied on the wye windings
Find the transition points of the driver and load transistors. - Determine the maximum current and maximum power dissipation in the circuit.
Transfer function in s t = [0-2*Ts : Ts : Tmax] ; Find the actual solution using the inverse laplace transform syms ycont ycont = ilaplace(Gs,t) Sampling times of 0.01, and simulation runs for 10 seconds
Determine the required weights of each solid ingredient and the number of gallons of water required for a 6.5-cy batch.
If In is greater than or equal to Th, then Out is 0. If In is less than Th, then Out is (255*(Th-In))/Th A typical calling shows the two inputs, In and Th, are passed on the stack and the return parameter, Out, is returned in Reg B.
In the circuit given below, I = 12u(t) A. - Find the response v(t) for t > 0. - The voltage equation is v(t) = [D + A + BeCt]u(t) V,
The transformer supplies a 400 V feeder of resistance 0.01 Ω/ph and reactance j0.005 Ω/ph. If VR, the receiving-end voltage, is 400 V, calculate VS, the sending-end voltage, when the three-phase load delivered is 250 kW at unity power factor.
Assume that the capacitor is initially charged by a 25-V dc source not shown in the gure, so we have v(0+) = 25V. Determine the values of iL(0+) and v' (0+). Find the particular solution for v(t).
(a)find the work done in moving a point charge +2C from (2,0,0) to (0,2,0) and then from (0,0,0) to (0,2,0). (b)find the work done in moving a point charge +2C from (2,0,0) to (0,2,0) along the straight-line path joining the two points.
System protection used to cover busbars - write about a scheme of each one of them about the advantages, disadvantages of each scheme and the principle of each scheme
The two loads draw a total average power of 52,800 W at a power factor of 0.8 leading. One of them draws 40K VA at a power factor of 0.96 lagging. What is the power factor of the other load
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