题目内容

Which of the following processes is used in order to fabricate polysilicon?Note that more than one answer is possible.

A. The Czochralski process
B. Fluid bed reactor process
C. The float-zone process
D. The Siemens process

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Assume that bypass diodes are installed across every 3 cells of the string. What will the current through the string now be (in \(A\))? ______

Assume a string of 36 PV cells in a module exposed to sunlight as shown in the figure. Each PV cell has a current and voltage output of \(2A\) and \(0.5V\), respectively. Cell 36 is partially shaded due to a leaf, which causes the current of this cell to drop to \(0.5A\). What will be the output current of this string (in \(A\)) ? Which cell will dissipate the highest amount of heat?

A. Cell 1
B. Cell 36
C. All cells will dissipate the same amount of heat due to the shaded cell.
D. There will not be any heat dissipation, but only the current will drop.

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Assume a string of 36 PV cells in a module exposed to sunlight as shown in the figure. Each PV cell has a current and voltage output of \(2A\) and \(0.5V\), respectively. Cell 36 is partially shaded due to a leaf, which causes the current of this cell to drop to \(0.5A\). What will be the output current of this string (in \(A\)) ? ______

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A large crystalline silicon module consists of 72 cells. The open-circuit voltage of the module is 21.6 V. How are the cells connected in the module if the standard c-Si cell has an open circuit voltage of 0.6 V and short-circuit current of 3 A ?

All 72 cells in parallel to each other.
B. Two strings, each string consisting of 36 cells connected in parallel. Both these strings are connected to each other in series.
C. Two strings, each string consisting of 36 cells connected in series. Both these strings are connected to each other in parallel.
D. All 72 cells in series with each other.

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Which of the following processes is used in order to fabricate polysilicon?Note that more than one answer is possible.

A. The Czochralski process B. Fluid bed reactor process C. The float-zone process D. The Siemens process

Assume that bypass diodes are installed across every 3 cells of the string. What will the current through the string now be (in \(A\))? ______

A large crystalline silicon module consists of 72 cells. The open-circuit voltage of the module is 21.6 V. How are the cells connected in the module if the standard c-Si cell has an open circuit voltage of 0.6 V and short-circuit current of 3 A ?

A. The Czochralski process
B. Fluid bed reactor process
C. The float-zone process
D. The Siemens process