Chapter 13 - Electric Circuits
Chapter 13 - Electric Circuits
Chapter 13 - Electric Circuits
- No tags were found...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Announcements <strong>Electric</strong>al Resistance Magnetic Fields Final Questions<strong>Electric</strong>al resistanceThe electrical resistance R of an object is a measure of how much an object impedes the flow of current (similarto friction)∆V = IRIn this equation, ∆V is the voltage drop across the resistor and I is the current through the resistorThe SI unit of electrical resistance is the volt-per-ampere, also called the ohm (Ω)<strong>Electric</strong>al resistance is a property of an object: it depends upon both the material and the shape of theobject (and other influences like the temperature)A conductor whose function in a circuit is to provide a specified resistance is called a resistorFor some materials R in this equation is constant (such devices are said to obey Ohm’s law)<strong>Electric</strong> <strong>Circuits</strong>
Change language