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An industrial heater has a nameplate which reads: 210 V 60 Hz 12 kVA 0.78 pf lagging Determine:
(A) The Apparent And The Complex Power
(B) The Impedance Of The Heater
Calculate the total apparent power absorbed by the load.
Find the capacitor voltage (you choose referece direction force), the inductor current(you choose reference direction for iL,the energy stored in the capacitor, and the energy in the inductor.
(a) What is the acceleration of an electron in a uniform electric field of 1.0x106 N/C (b) How long would it take for the electron, starting from rest, to attain one-tenth the speed of light. Assume that Newtonian mechanics holds.
A one-dimensional infinite potential well with a width of 12 Ao contains an electron. (a) Calculate the first two energy levels that the electron may occupy. (b) If an electron drops from the second energy level to the first, what is the wavelengt..
A 4-bit adder will be used to add a 3-bit unsigned number (0-7) and a 2-bit unsigned number (0-3), producing a 4-bit result. Design a combinational circuit with a complete truth table, K-maps and circuit diagrams using multiplexers and discrete lo..
A BJT is operating at a collector current of 1mA ,when Vce=1v and it has early voltage of 75v.If Vce is increased to 11v,find collector current
Calculate the drain current in an NMOS transistor for VGS = 0, 1V, 2V, and 3V, with VDS = 0.25V, ifW = 5μm, L = 0.5μm, VTN = 0.80V, and Kn' = 200μA/V2. What is the value of Kn
Calculate the gain of an inverting amplifier with Rs = 100kO and Rf = 500kO. Assume the op amp is ideal. Calculate the gain of an inverting amplifier with Rs = 100kO and Rf = 500kO.
gear box has ratio 8:1 to the .9-m diameter wheels. ARMATURE HAS SOURCE WHERE THE VOLTAGE CAN BE VARIED FROM 0 TO600--IGNORE ALL LOSSES. A) DETERMINED REQUIRED VALUE OF kφ to give a speedof 12.5 m/s at an armature V of 600Volts.
A 10 ohm resistor carries a current of 5 amps. How much energy, in joules, will be disapated in the form of heat during a period of 6 seconds
a) Construct a choice table for interest rates from 0% to 100%. b) Which roof should you choose if your MARR is 12% what is the actual value of the IRR on the incremental cost?
A separately excited dc generator produces 400 v at 1500 rpm under open circuit conditions. Find the induced emf if the speed changes to 2000 rpm. Assume the flux is constant.
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