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kenzielema12
16.12.2021 •
Physics
The following question refers to a hypothetical situation.
President Obama has a Cabinet meeting scheduled next week in which the federal budget will be the principal topic of discussion. Whom might the president request to attend, in addition to the vice president and the department secretaries?
A.
his wife, the First Lady
B.
the secretary of agriculture
C.
the department manager of the Office of Labor
D.
the director of the Office of Management and Budget
Please select the best answer from the choices provided
A
B
C
D
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Ответ:
The resistance is
.
Explanation:
Given that,
Power = 259 kV
Current = 429 A
Resistance![R=0.71\times10^{9}\ Omega](/tpl/images/0390/7089/f774c.png)
We need to calculate the current in each insulator
Using formula of current
Put the value into the formula
So all 95 insulators are in parallel
We need to calculate the resistance
Using formula of resistance
Put the value into the formula
Hence, The resistance is
.