Current Electricity: Electric Current 2


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 about 10 years ago
Copied by tatemae.honne about 10 years ago

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
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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