You are provided with three capacitors of values 4μF, 6μF, 30μF and 220V power supply. Connect the 4μF and 6μF in parallel; and then connect the combination to the 30μF in series. Connect the 220V power supply across this arrangement and find (i) the equivalent capacitance of the circuit formed, (ii) the voltage across 30μF, (iii) the charge on each capacitor.
You are provided with three capacitors of values 4μF, 6μF, 30μF and 220V power supply. Connect the 4μF and 6μF in parallel; and then connect the combination to the 30μF in series. Connect the 220V power supply across this arrangement and find (i) the equivalent capacitance of the circuit formed, (ii) the voltage across 30μF, (iii) the charge on each capacitor. (iv) If the circuit
formed is switched ON for 3minutes, what will be the amount of current flowing through the circuit?
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A crystalline silicon photovoltaic cell has an open circuit voltage of 0.5V and a short circuit current of 1.8 A at Standard Test Conditions. What is the maximum output power at Standard Test Conditions and at a cell temperature of 50oC? What is the percentage decrease in power per oC? Assume a Fill Factor of 0.70 at 25oC. (As a rule of thumb for crystalline silicon solar cells, the increase in short circuit current is about 0.058% per oC while the decrease on open circuit voltage is 0.30% per oC and decrease in the fill factor is by 0.15% per oC).
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