Ohm’s Law, voltage division, and current division
Learning outcomes;
Ohm’s Law
-1.Measure the voltage across and the current through the R2 resistor via simulation and show the
screen results.
-2. Calculate by hand the voltage across R2 predicted by the Ohm’s Law using the resistant value and
the measured value of the current. Show your full hand calculations.
-3. Assume that the simulation produced an experimental result. Then state if the resistor obeys the
Ohm’s Law and why.
Voltage division
1. Measure the voltage across resistor R4.
2. Calculate by hand the voltage across R4 predicted by the voltage division rule. Show your full hand
calculations.
3. Assume that the simulation produced an experimental result. Then state if the voltage division
rule is obeyed and why.
Current division
1. Measure the currents through R1 and through the branch formed by the pair R3 and R4.
2. Assume that the pair of resistors R3 and R4 are equivalent to a resistor of resistance R5 = 2 .
3. Calculate by hand the current through the branch formed by the pair R3 and R4 predicted by the
current division rule. Show your full hand calculations.
4. Assume that the simulation produced experimental results. Then state if the current division rule
is obeyed and why.
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