'Negative current' presentation slideshows

Introduction to

Introduction to. Current In AP C. Current. I = dq/dt I: current in Amperes (A) q: charge in Coulombs (C) t: time in seconds (s). Current Density. J = I/A J: current density in A/m 2 I: current in Amperes (A) A: area of cross section of wire (m 2 ) I = J ? A.

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Electric Circuit

Electric Circuit. Charges in Motion OCHS Physics Ms. Henry. Current. Amount of charge per time that passes through an area perpendicular to the flow: 1 ampere = 1 coulomb/second A coulomb is a unit of electric charge: 6.241x10 18 electrons. I (A) = ?q (C) ?t (s).

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Electrical Theory

Electrical Theory. Quantity Symbol Unit Equation Charge Q coulomb Q = I Idt Current I ampere I = dQ/dt Voltage V volt V = dW/dQ Energy W joule W = I Vdt = I Pdt Power P watt P =dW/dt = IV Resistor R ohm V = IR Inductor L henry V = L dI/dt

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http://environment.nationalgeographic.com/environment/natural-disasters/lightning-interactive/

Lightening . http://environment.nationalgeographic.com/environment/natural-disasters/lightning-interactive/. Click on the blue box to learn about lightening. When lightening strikes. Lightening strikes the Earth about _________ times a second. 100. 1,000. 10.

232 views • 4 slides