Electric Current & Circuits Explained, Ohm's Law, Charge, Power, Physics Problems, Basic Electricity
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- čas přidán 19. 02. 2017
- This physics video tutorial explains the concept of basic electricity and electric current. It explains how DC circuits work and how to calculate voltage, current, and electrical resistance using Ohm's law. In addition, it shows you how to calculate the electric charge and the number of electrons flowing through a wire at any given point. In addition, it has a few examples and practice problems on electric power, cost of electricity in Kwh and other stuff as well. It provides visual drawings, equations, and formulas as well as the units of common variables that you'll encounter when dealing with electricity. It discusses the difference between conventional current and electron flow. The unit of electric current is the ampere or amps for short. The unit for resistance is ohms and for voltage is volts. 1A is 1C/s or 1 coulomb per second. Electric current is the rate of electric charge flow. Charge represents the quantity of electrons in the case of metal conductors. The unit of power is the watt which is 1 Joule per second. Power is the rate at which energy is transferred. Equations used include V=IR, P=VI, and Q=It.
Electric Current In Circuits:
• Electric Current & Cir...
The Electric Battery:
• The Electric Battery a...
Ohm's Law Problems:
• Ohm's Law Explained - ...
Resistance and Resistivity:
• Resistivity and Resist...
Resistor Color Code:
• Resistor Color Code Ch...
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Internal Resistance of a Battery:
• Internal Resistance of...
Electromotive Force of a Battery:
• Electromotive Force of...
Drift Velocity and Current Density:
• Drift Velocity, Curren...
Potential Difference Between Two Points:
• Potential Difference B...
Alternating Current Vs Direct Current:
• Alternating Current vs...
______________________________
Schematic Diagrams & Symbols:
• Schematic Diagrams & S...
Open, Closed, and Short Circuits:
• Open Circuits, Closed ...
Resistors In Series:
• Resistors In Series - ...
Resistors In Parallel:
• Resistors In Parallel ...
Physics PDF Worksheets:
www.video-tutor.net/physics-b...
Final Exams and Video Playlists: www.video-tutor.net/
Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections
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me
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Thanks. I just learnt more in 18 mins than I have learnt from my teacher this entire term. Also I have my exam tomorrow so even bigger thanks,
Fantastic video. Increase the voltage will AUTOMATICALLY increase the current
which will increase the available Power (watts) given the same resistance. Ohms law.
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If I may
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Thanks
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At 8:09, we can use P=VxV/R(power=voltage squared divided by resistance in ohms). THANK YOU.
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Hi,
Earlier you said resistance and power should be balanced, but in the 4th problem P and R are not equal. Could you explain why? Thank you
Edgar Marquez He said the amount of power Created should be the same amount dissipated by the resistor NOT the resistance and Power should be the same.
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At question 3, aren't you supposed to first turn the 1.8 W per second into per minute, and then into per hour and then into per day and so on? Because the answer I got I think makes a little more sense, which was $513.22 per month
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Biology and Physics test tomorrow -.-
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For question 3, do you not have to convert to hours from seconds? Isn’t a watt energy per second
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The answer said KWH
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still struggling with this: ' electric current, and circuits explanation thing.'
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