1.) A semiconductor is a device whose conductivity lies between the conductivity of the conductors and the insulators.
2.) A Zener diode is a semiconductor device made of silicon that allows current to flow in both directions.
<h3>What is a semiconductor?</h3>
A semiconductor is a device whose conductivity lies between the conductivity of the conductors and the insulators.
Due to the inclusion of an impurity or temperature effects, a solid substance with conductivity between that of an insulator and that of most metals. Semiconductor devices, particularly silicon devices, are key components of most electronic circuits.
Zener diode:-
A Zener diode is a semiconductor device made of silicon that allows current to flow in both directions.
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Answer:
The answer is NO. applied stress if 12MPa will not cause the single crystal to yield.
Explanation:
Given ;
Ф =
∧ =
critical resolved shear stress = 6.2MPa
Applied stress = 12MPa
= cosФ cos∧ = 12 * cos * cos
= 12* 0.5 * 0.8191
= 4 . 9146MPa
The resolved shear stress (4.9146MPa) is lee than the critical resolved shear stress which is 6.2MPa. therefore, the single critical will not yield.
1(A)
2(B)
3(E)
4(C)
5(D)
6(B)
7(C)
This question involves the concepts of power and current.
The power output of the motor is "10.08 hp".
<h3>Power Output</h3>
The power output of the motor can be found using the following formula:
P = ηVI
where,
- P = Power = ?
- η = efficiency = 90 % = 0.9
- I = current = 38 A
- V = potential difference = 220 V
Therefore,
P = (0.9)(38 A)(220 V)
P = 7524 watt
converting this to horsepower:
P = (7524 watt)()
P = 10.08 hp
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Answer:
a)Percent reduction in area=54.23 %
b)Percent elongation=32.87 %
Explanation:
Given that
Di= 11.53 mm
Df= 7.80 mm
Li= 51.4 mm
Lf= 68.3 mm
A= π/4 D²
a)
Percent reduction in area ,RA
RA= 54.23 %
Percent reduction in area=54.23 %
b)
Percent elongation EL
EL=32.87 %
Percent elongation=32.87 %