Link to our latest notes and resources: https://drive.google.com/drive/u/2/folders/15Ld6KabsL9x9X-t4GefBgSzXFDckJFa6 4.2.2 Electrical current 1 2 3 Define electric current as the charge passing a point per unit time; recall and use the equation electric current = charge time I = Q t Describe electrical conduction in metals in terms of the movement of free electrons Know that current is measured in amps (amperes) and that the amp is given by coulomb per second (C / s) 4 Know the difference between direct current (d.c.) and alternating current (a.c.) 5 State that conventional current is from positive to negative and that the flow of free electrons is from negative to positive 6 Describe the use of ammeters (analogue and digital) with different ranges 4.2.3 Electromotive force and potential difference 1 22 e.m.f. = Define e.m.f. (electromotive force) as the electrical work done by a source in moving a unit charge around a complete circuit; recall and use the equation work done (by a sou

Saroshma OfficialJul 2, 2026

adzyimzJul 2, 2026

Ali 💕Jul 2, 2026

KhaddijaJul 2, 2026

Henry DesaguJul 2, 2026

O Levels Current, EMF, PD and Resistance

قد يعجبك أيضًا

O Level Math Past Papers

O LEVELS Accounting 7707 / IGCSE 0452

Poems for Kids

Saad Aur Sadia AI Cartoon Series

Grade 3 English

Grade 4 English

Grade 5 English

Grade 1 Math

Подготовка к CAHSEE

CoComelon

SS 1 Biology

SS 2 Physics

English Grammar

P1 Computer Science Topical + Past Paper Practice| AS LEVEL COMPUTER SCIENCE | P1 Theory | 9618

FAST IBA CS LUMS CS MATHS LECTURES | BASIC MATHS + ADVANCE MATHS |

STATISTICS O LEVEL

Hamza AI Cartoon Series - 2025

Kaneez Fatima Cartoon Series S.1

Grade 1 English

English Grammar Masterclass

Ghulam Rasool Cartoon

PrePrimary Urdu

Grade 2 English

PrePrimary Urdu

اختيارات مميزة

Gamixo

VSKIT Drama