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My brother was preparing for IAS exam and he was stressed out while preparing the exam and has some concentration issues. There are variety of subjects and you have to face difficulty due to lack of interest. Issue is lack of focus and how you can develop it. Here is answer how he did it.
Start from easy subject that you like most, you will develop interest and to change subject taste study other subject after every one hour. Take short 5 minute breaks after every 3 minutes. Through this he developed good study skills.
False.
The Fill Factor (FF) is a measure of the quality of a solar cell.
It is the available power at the maximum power (Pm) divided by the open circuit voltage (VOC) and the short circuit current (ISC).
It is directly affected by the cell's series values, diodes losses and shunt resistances.
By decreasing the series resistance (Rs) and increasing the shunt resistance (Rsh), the fill factor increases, thereby providing greater efficiency.
Generally, FF ranges from 50% to 82%.
The FF for a normal PV cell is 80%.