This presentations covers the OCR Gateway Physics 9-1 P3.2.3 Resistance Combining resistors in series Combining resistors in parallel Modeling resistance, current, and potential difference with a rope. The relationship between potential difference and current The relationship between resistance and current Ohm’s law Rearranging equations Worked examples and student questions Explaining how increasing current increases resistance in a metal conductor and filament lamp.

This presentation covers OCR Gateway Physics 9-1 P3.2.2 Series and Parallel Circuits Rule for current in series and parallel circuits Rule for potential difference in series and parallel circuits. Working scientifically Student activities with worked solutions Exam questions with worked solutions

This presentation covers OCR Gateway Physics 9-1 P3.2.1 Simple Circuits. Circuit Symbols Electric field lines and potential difference Modeling Circuits with Rope Measuring Potential Difference Energy Transferred Equation for Electricity Rearranging Equations

This presentation covers OCR Gateway Physics 9-1 P3.1.2 Electrical Current Conditions for current to flow Conventional current and electron flow Measuring current with ammeters Current at junctions Converting from mA to A Rearranging equations Determining current and charge flow with equation

This presentation covers OCR Gateway Physics 9-1 P3.1.1 Electrostatics Subatomic particles and electric charge Transfer of electric charge Attraction and repulsion from electric charge Electric field lines Interaction of electric field lines Van der Graff generator

OCR AS Physics A: Total Internal Reflection is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS Physics: Refractive Index is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS Physics A: Electromagnetic Waves is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS Physics A: Intensity is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS Physics: Diffraction and Polarisation is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS Physics A: Reflection & Refraction is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS Physics: Wave Properties is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS Physics A: Potential Divider is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Application of the ratio of resistances Application of the potential divider circuit Deriving the potential divider equation Rearranging the potential divider equation

OCR AS Physics: Internal Resistance is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Find lost volts and terminal potential difference from a source of emf Calculate internal resistance of a cell Calculate internal resistance of a cell with a graph Calculate EMF of a source

OCR AS Physics: Analysing Circuits is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Drawing and labeling circuit diagrams Adding Resistors in Series and Parallel Ohm’s Law Kirchhoff’s Laws The Electrical Power Equation

OCR AS Physics A: Combining Resistors is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Rules for adding resistors in series and parallel Applying adding resistors in series and parallel

OCR AS level Physics: Kirchhoff’s Laws and circuit diagrams is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Definitions of Kirchhoff’s 1st and 2nd Law Applying Kirchhoff’s 2nd Law Drawing circuit diagrams for parallel and series circuits

OCR AS Physics: Paying for Electricity is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Converting time to hours Using different units for electrical energy Converting from J to kW hr Calculating the cost of using different electrical appliances.

OCR AS Physics: Electrical Energy & Power is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Derive three equations for electrical power Applying electrical power equations Create a circuit diagram to calculate power Base units for V A and W.

OCR AS Physics: LDR is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Materials and uses of LDRs Creating an experiment to understand LDRs LDRs relationship with light intensity