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What is human data input device?
A human data input device is one that allows a human to interact with a complex machine such as a computer. Some examples of a human data input device are things like a keyboard and mouse.
A receiver requires 10nW as input power if all the system losses add up to 50dB then how much power is required from the source?
here, the power required by the receiver is the output power and that required from the source is input power. Gain in dB=10 log(output power/input power) we have, loss in dB = -gain in dB = 10 log(input power/output power) or, 50 = 10 log(input power/10nW) or, anti-log(5) = input power/10 nW so the power required from the source is antilog(5)*10nW = 1 mW
How much energy input is wasted at the power stations?
2/3 of energy input is wasted at the power station.
What does the power relatio0nship state on a transformer?
power in, and power out--input and output.
If you think of human brain as a computer what is its input device output devicee?
if we think of human brain as a computer what is its input device output device
Is a disc an input device?
It is not a phyiscal input (or human interface) but it is a data input device. which means it will come under external drives.
How is energy efficiency determined?
You divide useful output energy by the input energy. Or equivalently, useful output power by input power.
Does an oscillator have input?
A; ABSOLUTELY most have power to begin with and must have a positive feedback
Efficiency is a comparison of?
Efficiency is output power divide by input power.
How do you find power input with given power factor and power output?
Output Power divided by Power Factor.
What is the amplitude of a microwave?
It depends on the power input.
How is the efficiency of a machine calculated?
Efficiency = useful output power / input power
