'Power current' presentation slideshows

Current Electricity

Current Electricity. e-. P. n. nucleus. Electrons. Electrons Flow. Conventional Current. Flow of Electrons (Path). -. +. e -. e -. e -. e -. e -. e -. e -. e -. e -. e -. Conventional Current. Flows from + to -. e. e. e. e. e. Current. Flow of Electrons.

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Mains Electricity

Mains Electricity. Syllabus Lesson 1 Safe Electricity Lesson 2 Power Lesson 3 Heating. Mains electricity. identify common materials which are electrical conductors or insulators, including metals and plastics (P2.2)

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Current

Current. Current. There are two kinds of current:. Current. There are two kinds of current: Direct current. Current. There are two kinds of current: Direct current Alternating current. Direct current. Direct current. DC flows in one direction

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CHAPTER 2

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What we will do today

What we will do today. State relationship between power, energy and time and carry out examples on this. State the different expressions for electrical power and carry out calculations on these. Power, Energy & Time.

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How do Flashlights Work ?

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Electricity: Chapter 7

Electricity: Chapter 7. Section 3 B. Protecting the Building. Two ways to control current in wiring Fuse Contains a small wire that melts if too much current heats it Burned out fuse breaks circuit so no more current flows Circuit Breaker Contains piece of metal that bends if overheated

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Calculating POWER and Electrical COST

Calculating POWER and Electrical COST. ELECTRICAL POWER. Rate at which energy is consumed or produced Changed into other forms of energy Measured in WATTS (W). Calculations. Formula is P=IV Power=Current x Voltage. P. Units: Power: watts Voltage: volts Current: amps. V. I.

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