Current Electricity: Electric Current 2

tatemae.honne
Flashcards by , created almost 6 years ago

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.

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alex.examtime9373
Created by alex.examtime9373 almost 6 years ago
tatemae.honne
Copied by tatemae.honne almost 6 years ago
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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 Ammeter-Circuit-Symbol.jpg (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