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Question:
A 230 V lamp is rated to pass a current of 0.26 A. Calculate its power output. If a second similar lamp is connected in parallel to the lamp,
Calculate the supply current required to give the same power output in each lamp.
A 60O lossless line is connected to a source with Vg=10
two electronics students are discussing electrical units. student a says that electrical power is measured in units
Four 18W lamps are connected in parallel across 6V. Draw circuit. What is the current though each lamp What is the resistance of each What is the effective resistance of the combined four lamps
A safe estimate of the frequency resolution of a spectral estimate is the main-lobe width of the window used. Which of the windows in Table 7.2 will satisfy the criteria given for frequency resolution?
at room temp a power transistor has beta of 160 and it is used in a DC dimmer circuit to control a 24 volt 120 watt lamp the lamp power supply is 48 volts dc and it can deliver a maximum of 21 amperes of current
A 9-kVA, 208 V, 1200-rpm, three phase, 60 Hz, Y- connected, Synchronous generator has field winding resistance of 4.5ohm. The armature winding impedance is 0.3+j5 ohms per phase. When the generator operates at its full load and 0.8 lagging
Determine the node voltages, Va and Vb, for this circuit. Use the node voltage analysis to determine the voltage V in the circuit. Assume that R1 = 2 , R2 = 1 , R3 = 4 , R4 = 3 , I1 = 2 A, and I2 = 3 A. I1
1)Design the following function in BiCMOS using the least amount of transistors (RTL not allowed). z= (AB)' + (CD)' 2)Calculate the Emitter current through a loading Resistance of 10k such that VOH=2.3V.
Design an amplifier circuit which uses an OpAmp and is powered by dual 15 V power supplies, and which has the following characteristic at low frequencies: Vout = 3V1 - 5V2 1. State the information which is extracted from the equation.
A solid conductor of circular cross section is made of a homogeneous nonmagnetic material. if the radius a = 1 mm, the conductor axis lies on the z axis, and the total current in the az axis is 20 A (a) find Hφ at ρ = 0.5mm
Calculate the length required for a 50% coupling when the gap is 7 μD.
What frequency must be used for basis symbols f1 = sin(pi*ct) and f2 = cos(pi*ct) with a symbol period of 1/(9600Hz) to contain 6 cycles of the sin and cos
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