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Current Electricity: Electric Current 2

Description

This flash card deck covers the main topics of electric current. These include the formula for current, measuring current, Joules law, and the three effects of electric currents. It is ideally used in conjunction with the corresponding note on electric current, and the mind map on current electricity.

Flashcards by tatemae.honne, updated more than 1 year ago More Less

	Created by alex.examtime9373 almost 11 years ago

	Copied by tatemae.honne almost 11 years ago

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Resource summary

Question	Answer
Electric current	Flow of electric charge
Unit of electric current	Ampere
Formula for electric current	Q = It
Measuring current	Ammeter
Circuit symbol for an ammeter	Image: Ammeter-Circuit-Symbol (image/jpg)
Joule's Law	P = I²R
Flow of conventional current	From positive to negative
Direct current	Battery; Flows in one direction only
Alternating current	Mains electricity; continuously changing direction
Effects of an electric current	1. Chemical; 2. Magnetic; 3. Heating

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