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a single phase 100 kVA, 1000/100 V transformer gives the following test results:Open Circuit test: 100V, 6.0 A and 400 WShort Circuit test: 50V, 100A and 1800W
determine the rated current and voltage for high and low sides, derive an equivalent circuit refered to the high side. find voltage regulation at .6 PF leading.
Design 3 stage amplifier with the following requirement input signal = 5 mV with R=10k ohms over all gain > 1000 power supply: Vcc = 5V, Vee = -5V Rin > 1 Mega Ohms Rout = 100 ohms 1st Stage BJT must use inverting
A transmitter is using a 2B1Q and operating at 3 Mbps. What is the minimum bandwidth necessary on the transmission line for successful communication
a particular electric utility charges customers different rates depending on their daily rate of energy consuption 0.05khw up to 20 kwh and 0.1 kwh for all energy usage above 20 kwh in any 24 hour period.
A separately excited dc motor turns at 1200rpm when the armature is connected to a 115V source. Calculate the armature voltage required so that the motor runs at 1500rpm.
A synchronous motor exited by 5 kV source has a synchronous reactance of 5 ohm .The motor is running without any mechanical load(the output real power is zero). Ignore all losses and calculate thr equavelent field voltage Ef that delivers 3 M VAr ..
Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 26 m away from the sound source is 3.0 × 10-4 W/m2. What is the intensity at a spot that is 72 m away
A receiver produces a noise power of 200 mW with no signal. The output level increases to 5 W when a signal is applied. Calculate the signal-to-noise ratio as a power ratio and in decibels.
1.A liquid has an enthalpy of vaporization of 30.8 kJ/mol. At 275 K it has a vapor pressure of 117 mmHg. What is the normal boiling point of this liquid 2. In a certain mountain range, water boils at 94°C. What is the atmospheric pressure under the..
A certain transistor is to be operated at a collector current of 50mA. How high can VCE go without exceeding a PD(MAX) of 1.2W?
In a Built in Self Test, for a combinational logic system, what are the advantages of using a counter instead of an ALFSR to generate testing vectors for 2 cases.
An ND:YAG laser in the lab emits light at 1064 nm. The laser is light is directed into a slab of silicon, which has an index of refraction n = 4. a. What is the relative permittivity of Si at this wavelength (Hint: Si is non-magnetic.)
This assignment contains electronics engineering questions like State the commonly found components of a SCADA (Supervisory control and data acquisition) system. and decribe the function of the HMI in a SCADA system.
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