Experiment No: 10 Experiment name : Measuring the eiectrical power in DC circuits Power laws (P): 1-[P = Vx1] P(watts) = V (voits) x I jampa) 2- [P= V +R] P (watts) = V ivoits) + R (0) 3- [P=PxR] P (watts) = P (amps) XR a) Circuits diagram: Results table: V V. RI L Vi mcmcmemcmcmcmcmc mc V2 Procedure: 1- Connect the circle as shown 2- Measure the currents (1.la..l) 3. Measure the voltages on cach resistance (V..V2. V3. Va) 4- Measure the total Resistance Rr 5- Record the results in the table Discussion: 1- Calculate the total resistance Rr of the circuit. 2- Calculate the curent through each resistance. 3. Calculate the voltage applied to each resistance. 4- Calculate the total power. 5- Calculate the power for each resistance.

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Solar Cell

A solar cell, or photovoltaic cell, is a device that converts light into electricity directly through a photovoltaic effect, i.e., a physical and chemical event. It is a type of electromagnetic cell, defined as being used for its electrical properties, current, voltage, or resistance, which vary when exposed to light. Everyday cellular gadgets are usually the building blocks of photovoltaic modules, collectively known as solar panels. Single junction silicon solar cell can generate an open circuit of about 0.5 to 0.6 volts.