Physics 2 lab phase 21
Procedure Component I Wire Resistance:
While wire length (cm) boosts, the amount of resistance (Ω) improves As wire area (cm2) increases, the resistance (Ω) decreases
Because wire resistivity (Ωcm) improves, the level of resistance (Ω) boosts Procedure Portion II: Ohm's Law: Electrical power, Magnets, and Circuits � Ohm's Law mA can be milliamps, and 1000 milliamps equals 1 Ampere.
Approach the potential (volts) and level of resistance (ohms) slider and observe the current (amps) As ac electricity increases, current increases.
While resistance boosts, current reduces.
Fill out the tables under and check your work in the simulation. ( ½ rehabilitation each ) Remember, the simulation displays milliamps.
You must show Amperes
V =I * 3rd there�s r
8. 0 V
0. 01 A
2 . 0 V
. 044 A
2 . 5 Versus
. 0058 A
6. being unfaithful V
. 069 A
six. 4 V
0. 021 A
three hundred Ω
Conclusion Questions: ( ½ pt each)
1 . Incandescent light bulbs have a very thin filament that glows when ever hot. Thin filaments have got very HIGH amount of resistance. 2 . The 12V battery in your car operates a 25 amplifier car stereo system. What is the resistance of the stereo system? zero. 48 ohms 3. A " 2D” Maglite torch runs on 3. 0V. What is the existing through the light bulb if resistance is 15 Ω? 0. 2 Amps 4. Just how many volts must an iPod phone chrgr provide to charge a great iPOD using. 85 Amps at 35 Ω? 30. 75 watt 5. You should buy a lengthy extension cord to electrical power a music at your planting season break BBQ. You need 200feet. You have a 50 ft cord that will work. You rationalize that 4 such 55 ft cords will do the task. Is this recommended? No, seeing that distance L increases the level of resistance increases. The present and volts will drop more since it nears the end of the electric wire which could trigger insufficient volt quality once that reached the stereo triggering damage.
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