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About this Course
About the Course
In this course, Professor David Berman (Queen Mary University of London) explores charge, energy, and circuits at a GCSE level. In the first mini-lecture, we look at charges, the force a charge experiences in an electric field, potential energy, potential difference (or ‘voltage’), and energy (or ‘work done’). In the second mini-lecture, we introduce current as the flow of charge and define it mathematically before going through a couple of examples. The third mini-lecture delves into circuits, introducing the concept of circuit diagrams, resistance and resistors, and Ohm’s Law, followed by a few examples. In the fourth mini-lecture, we discuss properties of current, voltage, and resistance in circuits and introduce the series circuit, a circuit with only one path that the current can take. The fifth mini-lecture introduces parallel circuits as circuits in which the current can take more than one path through the circuit, and then goes through an example, concluding with the equation for resistors in parallel.
About the Lecturer
David Berman is a Professor of Theoretical Physics at Queen Mary. His research interests include string theory and ideas in fundamental theoretical physics, including non-commutative geometry, black holes physics, and quantum gravity. He has contributed to the Radio 4 biography series Great Lives and the In Our Time podcasts, including Great Lives: Richard Feynman (2018), Great Lives: Galileo (2019), In Our Time: Emmy Noether (2019), and In Our Time: Paul Dirac (2020).