Technical data

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6. er for the measured values in step 4.
__________
g
________ mW
8. ____ the voltage.
9. we ow ha
11. n the
______ mW
_____
Using the (P = V
2
/R) formula, calculate the pow
V = ______________________ V R = ____________
P calculated = ______________________ mW
7. Change the Source V to 5 volts. Measure the current value and calculate the power by usin
both of the above formulas.
V now = _____________________ V I now = _____________________ µA
P calculated using the formula (P = V x I) =
______________
P calculated using the formula (P = V
2
/R) = ______________________ mW
When compared to the 20 volt condition, we now have
________
(a) 1/2 (b) 1/4 (c) 1/8 (d) 1/16
When compared to the 20 volt condition, n ve ____________ the power dissipation.
(a) 1/4 (b) 1/8 (c) 1/16 (d) 1/32
10. Assume this circuit has an applied voltage of 8 volts. Calculate and predict what the circuit
current and power would be.
Predicted current = ______________ µA Predicted power = _____________ mW
Change the circuit to 8 volts. Measure the current and calculate the power based o
easurements. m
Measured current =
______________ µA Calculated power = _______
12. Is the current with the applied 8 volts higher than when there were 5 volts applied? ___
Is the calculated power higher or lower? ________________
Does the change correlate with the concept of power being equal to V
2
/R? ______________