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# Physics306L - DepartmentofPhysics E306:Seriesand...

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MAPUA INSTITUTE OF TECHNOLOGY Department of Physics E306: Series and  Parallel Circuits XXXXXXXXXXXXX 2005XXXXXX XXXX, Group 1 PHY130L-XX

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XXXXXXX SAMPLE COMPUTATIONS SERIES CIRCUIT Voltage across circuit Current across circuit PARALLEL CIRCUIT Voltage across circuit Current across circuit Percentage Difference V V V V V V V V V V T T T 57 . 4 35 . 2 5 . 1 72 . 0 3 2 1 = + + = + + = 3166 . 0 0551 . 0 0858 . 0 1757 . 0 1 1 1 1 1 3 2 1 = + + = + + = T T T I I I I I I 1047 . 0 0349 . 0 0349 . 0 0349 . 0 3 2 1 = + + = + + = T T T I I I I I I V V V V V V V V V V T T T 69 . 3 69 . 3 69 . 3 69 . 3 3 2 1 = = = = = = = % 41 . 3 % % 100 2 306 . 0 3166 . 0 306 . 0 3166 . 0 % % 100 2 % = × + - = × + - = diff diff EV AV EV AV diff
GUIDE QUESTIONS SERIES CIRCUIT 1. Compare the current you found flowing through the resistors. There are consistency with the currents revealed through the ammeter.  The currents through each resistor are all equal. Thus, we can say that is only  a single current flowing through the resistors. 2. Compare the values of the voltages you measured across each resistor. The values of voltages measured across each resistor varies with the  resistance, namely it decreases in value as the resistance increases. PARALLEL CIRCUIT

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3. Compare the current you found flowing through the resistors. The current found flowing through the resistors are equal to the inverse  sum of the currents found through each resistor. 4. Compare the values of the voltages you measured across each resistor. The values of the voltages measured across each resistor are equal to  the voltage across the battery. 5. Discuss the possible sources of error in this experiment and estimate the  reliability of your result.  Since this experiment is about voltage and circuits there are only a few  errors   that   may  cause   the   reliability   of   the   result   namely,   the   loose
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Physics306L - DepartmentofPhysics E306:Seriesand...

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