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viktelen [127]
3 years ago
11

Mr. Smith used 606 kWh for the month. If the service charge was $61.37 (see back page of the bill), what is the approximate char

ge ($) rate per kWh? *
A. $0.37/kwh
B. $9.42/kWh
C. $0.10/KWh
D. $6.13/kWh
Physics
1 answer:
Murrr4er [49]3 years ago
7 0

Answer:

.10/KWh

Explanation:

divide 606 by 61.37 and you get .1012...

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A piece of silicon sample has a resistivity of 0.1 ω.Cm. Its thickness is 100µm. The electron mobility is 1350cm 2 v -1sec-1. Wh
lawyer [7]

The answer is Rh = 135 cm^3 and B = 0.05185 wh/m^2


Explanation:

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so, I = ma

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By putting in the values,

Rh = 1350 x 0.1

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Now consider,

Rh = 1 / Rh.q

= 1 / Rh . q

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Vh = BIRh / w

B = Vh w/ IRh

B = -70 x10^-6 x 100 x10^-6 / 1x 10^-3 x 135 x 10^-6

B = 0.05185 wh / m^2


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3 years ago
In a simple electric circuit, ohm's law states that v=irv=ir, where vv is the voltage in volts, ii is the current in amperes, an
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We take the derivative of Ohm's law with respect to time: V = IR
Using the product rule:
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We are given that voltage is decreasing at 0.03 V/s, resistance is increasing at 0.04 ohm/s, resistance itself is 200 ohms, and current is 0.04 A. Substituting:
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dI/dt = -0.000158 = -1.58 x 10^-4 A/s
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3 years ago
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