п»їName ___Sarah Carter___Wire Resistance and Ohm's Law
Go to http://phet.colorado.edu/simulations/sims.php?sim=Ohms_Law and click Run At this point.
Wire Level of resistance and Ohm's Law
Procedure Component I Line Resistance:
available the PhET Simulation Electricity, Magnets, and Circuits пѓ Resistance in a Wire. Since wire duration (cm) raises, the level of resistance (О©) ___increases____ As line area (cm2) increases, the resistance (О©) ___decreases___ As wire resistivity (О©cm) improves, the amount of resistance (О©) ____increases__ Procedure Component II: Ohm's Law: Electric power, Magnets, and Circuits пѓ Ohm's Legislation mA is milliamps, and_1000_ milliamps equals one Ampere.
Move the (volts) and resistance (ohms) sliders and observe the current (amps) Since voltage boosts, current _increases_.
As level of resistance increases, current ___decreases___.
Fill out the tables below and check your operate the ruse. ( ВЅ pt every single ) Bear in mind, the ruse shows milliamps.
You should display Amperes
Sixth is v =I 5. R
eight. 0 V
installment payments on your 0 Versus
. 044 A
2 . 5V
. 0058 A
. 069 A
6. some V
Conclusion Questions: ( ВЅ pt each)
1 . Amoureux light bulbs possess a thin electrical filament that glows when warm. Thin filaments have suprisingly low resistance. installment payments on your The 12V battery in your car runs a twenty-five amp car stereo. Precisely what is the resistance of this audio system? __0. twenty four ohms___ three or more. A " 2DвЂќ Maglite flashlight works on a few. 0V. What is the current throughout the bulb in the event resistance is definitely 15 О©? __0. two amps__ 5. How many volts must an iPod charger provide to charge an ipod device using. 85 Amps by 35 О©? ___29. 75 V_ a few. You need to purchase a long expansion cord to power a stereo at the spring break BBQ. You will need 200feet. You have a 60 ft power cord that will work. You rationalize that four these kinds of 50 foot cords will perform the job. Are these claims a good idea? For what reason or Why not? ____________This would not be favorable because employing four 50ft cords versus one 200ft cord might increase the overall resistance and this...