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A dc motor drives a 100 kW generator having an efficiency of 87%.
(a) What should be the kW rating of the motor?
(b) If the overall efficiency of the motor generator set is 74%, what is the efficiency of the motor?
(c) Also calculate the losses in each machine.
If a 2Ω load resistance is connected across the 110V winding, what are the currents in the high-voltage and low-voltage windings?
Develop a Sensor Circuit using commodity components and design a wireless sensor node using commodity wireless modules
show that any Boolean function of 4 variables can be implemented by using one 4x1 multiplexer,one 2-to-4 decoder, and an unlimited number of OR gates. Demonstrate your method by implementing the function f(a, b, c, d) = ab'd' + bcd' + bc'd + a'bd.
A receiver requires 20 mW as input power. If all the system losses add up to 40 dB, then How much poweer is required from the source
Discuss the various ways to include conditional program flow control in 80x86 assembly programming. What are some limitations implementing this flow control when compared to higher level languages?
what do u mean by term slip of three phase induction motor calculate the slip of 4-pole induction motor running at 1470 rpm while bieng connected to a 50 hz three phase source
(a) What must the smaller resistor be adjusted to, if the larger resistor is 100 k-ohm (b) If the smaller resistor is to be formed by a pair of resistorsin parallel, with what resistor must a 2-k resistor be connected in parallel at the input to a..
A customer has a 2 story house and needs a whole house fan to run on timers, 1 on each floor, the ability to choose high or low speed on either floor, and signal lights to show if in high or low speed on each floor. The diagram has 4 single pull s..
Calculate the length required for a 50% coupling when the gap is 7 μD.
What is the maximum symbol rate for this link and the number of bits per symbol? What format would you recommend for the transmitted current pulses on this baseband link?
State the main requirements of a protection CT and an instrument CT. A 400 A circuit is to be protected by a CT and relays. The relays present a 2.5 VA burden. If the setting is 20% and there is saturation of 50% at 20 x current setting, specify a..
The contects of a six-bit register are initially 100101. The register is shifted four times to the right, with the serial input being 1101. What are the contents of the register after each shift
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