Solar Cell Maximum Power Calculation
This solution demonstrates calculating the maximum power output of a silicon solar cell given its short-circuit current ($I_{sc}$), open-circuit voltage ($V_{oc}$), and fill factor (FF).
Key Formula
The maximum power ($P_{max}$) delivered by a solar cell is determined by the following formula:
$ P_{max} = V_{oc} \times I_{sc} \times FF $
Input Values
The provided values are:
- Short-circuit current, $I_{sc} = 100 \text{ mA} = 0.1 \text{ A}$
- Open-circuit voltage, $V_{oc} = 0.8 \text{ V}$
- Fill Factor, $FF = 0.7$
Calculation Steps
- Substitute the known values into the formula:
$ P_{max} = (0.8 \text{ V}) \times (0.1 \text{ A}) \times 0.7 $
- Calculate the product:
$ P_{max} = 0.056 \text{ W} $
- Convert the power from Watts (W) to milliwatts (mW):
$ P_{max} = 0.056 \text{ W} \times 1000 \frac{\text{mW}}{\text{W}} = 56 \text{ mW} $
Therefore, the maximum power delivered by the solar cell is 56 mW.
Important Questions from Semiconductor Materials
- Match the LIST-I with LIST-IIChoose the correct answer from the options given below:
LIST-I LIST-II A. BJT I. Five layers and four junction device B. MOSFET II. Power switching device with fast acting features and high power capability with voltage control features C. IGBT III. Voltage controlled device D. DIAC IV. Current controlled device The common drain circuit has a FET with $Y_{fs}$=3000 µS, $R_{gs}$=100 MΩ and $r_d$=50 KΩ. Determine the device input impedance.
- A solar cell consists of 400 cells with 40 elements series connected while 10 elements are parallely connected. If each cell can produce an output voltage and current of $V_o$=0.45 V and $I_o$=57 mA, the maximum charging voltage required is
- Given below are the two statements
I. Graphene in its purest and defect free form has electrical conductivity lesser than that of Gold and Copper
II. It is possible to develop graphene in the form of nano-ribbons and quantum dots
Choose the correct option from the list given below. - Find the power rating of the zener diode with test current $I_{ZT}$ as 12.5 mA and Zener voltage of 10 Volts.
