A customer complains that the heater works sometimes, but sometimes only cold air comes out while driving. Technician A says tha
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Answer:
hello your question is incomplete attached below is the missing part of the question
Consider an inverter operating a power supply voltage VDD. Assume that matched condition for this inverter. Make the necessary assumptions to get to an answer for the following questions.
answer : Nd ∝ rt
Explanation:
Determine how the delay and active power per device will change as the doping density of N- and P-MOSFET increases
Pactive ( active power ) = Efs * F
Pactive =
also note that ; Pactive ∝ Nd2 (
tD = K . since K = constant
Hence : Nd ∝ rt
Answer:
The shaft work generated per kilogram is
Explanation:
Given:
Temperature K
Initial Pressure MPa
Final pressure MPa
From the table superheated,
and
Work done by shaft is,
But here efficiency is 0.56,
So work generated per kg is,
Work =
Work =
Therefore, the shaft work generated per kilogram is
Answer:
The bulb will be times as bright as it is in Europe.
Explanation:
Data provided in the question:
Power of bulb in Europe = 75 W
Voltage provided in Europe = 240 V
Voltage provided in United Stated = 120 V
Now,
We know,
Power = Voltage² ÷ Resistance
Therefore,
75 = 240² ÷ Resistance
or
Resistance = 240² ÷ 75
or
Resistance = 768 Ω
Therefore,
Power in United States = Voltage² ÷ Resistance
= 120² ÷ 768
= 18.75 W
Therefore,
Ratio of powers
=
Hence,
The bulb will be times as bright as it is in Europe.