IB Physics · · 6 min read
IB Physics: Why Resistors Transform Electrical Energy
IB Physics explains why resistive elements transform electrical energy into heat, light, and more, with collision intuition, power equations, and exam tips.
IB Physics explains why resistive elements transform electrical energy into heat, light, and more, with collision intuition, power equations, and exam tips.
IB Chemistry guide to why atoms form bonds: lower energy, fuller valence shells, and balanced forces. Learn ionic, covalent, metallic bonding fast.
IB Chemistry guide to why atomic radius increases down a group: shells, shielding, effective nuclear charge, and exam-ready phrasing for marks.
IB Physics guide to why systems oscillate in SHM: restoring force, stable equilibrium, and energy swapping. Plus RevisionDojo links to practise fast.
IB Physics guide to how wave properties emerge from oscillatory sources. Learn frequency, wavelength, amplitude, and exam-ready links and tips.
IB Physics guide to Lenz’s law: learn how induced currents oppose flux change, why it protects energy conservation, and how to answer exam questions.
IB Chemistry guide to why reactivity changes across the periodic table: learn how atomic radius, ionization energy, and electronegativity drive trends.
IB Chemistry guide: learn why molar mass converts grams to moles, how Avogadro’s constant fits, and how to avoid common exam mistakes fast.
IB Chemistry guide to how nuclear charge shapes electron arrangement, effective nuclear charge, orbital filling, and exam trends with RevisionDojo tools.
IB Physics guide to describing motion using position, velocity, and acceleration, with graphs, reference frames, and exam-ready tips for kinematics.
IB Physics power explained: learn how power measures the rate of energy transfer, with examples, key equations, and exam tips for IB students.
IB Chemistry guide to why double and triple bonds distort geometry differently than single bonds, using VSEPR, electron density, and exam-ready examples.
IB Physics explains why particles behave like waves and particles: wavefunctions, measurement, and key experiments like double-slit and photoelectric.
IB Chemistry guide to why strong acids ionize completely while weak acids partially ionize, with Ka, bond polarity, and conjugate-base stability.
IB Chemistry guide to why changing concentration shifts equilibrium position using Le Chatelier, rates, and Q vs K, with exam-focused tips.
IB Chemistry guide to why decreasing volume increases gas pressure. Learn particle collisions, kinetic theory, Boyle’s Law, and exam tips in minutes.
IB Physics guide to nuclear stability: strong force vs repulsion, neutron-proton ratio, binding energy per nucleon, and magic numbers for exams.
IB Biology guide to transcription factors: how activators and repressors bind DNA, recruit RNA polymerase, and fine-tune gene expression for exams.
IB Physics guide to the photoelectric effect: why frequency matters, what photons prove, and how to answer exam questions with confidence.
IB Chemistry dynamic equilibrium happens because forward and reverse reactions run at the same time until their rates match in a closed system.
IB Physics guide to why electric charges create fields: action-at-a-distance, inverse-square spreading, energy in fields, and exam-ready intuition.
IB Chemistry guide: use atomic trends like electronegativity, ionization energy, and radius to predict ionic vs covalent bonds fast for exams.
IB Physics explains why waves diffract through openings using Huygens’ principle, wavelength vs gap size, and superposition for exam-ready clarity.
IB Physics guide to infrared absorption and re-emission: why greenhouse gases warm Earth, how energy balance works, and how to answer exam questions.