Physics 2102 Gabriela Gonz lez Exam stress doesn t help Look up strategies for managing exam stress Some advice Mild low C revisit homework sets revisit your quizzes read chapter summaries read formula sheet PHYS 2102 Sleep well and save some time to relax before the exam Medium C read class slides revisit class problems do all checkpoints solve 1 2 questions read all problems solve a few old exams PHYS 2102 Hot B read whole chapters solve all questions solve 1 2 problems solve many old exams PHYS 2102 Tabasco hot A solve ALL problems invent new problems solve all old exams PHYS 2102 2 Electric charge Electric force on other electric charges Electric field and electric potential Moving electric charges current Electronic circuit components batteries resistors capacitors Electric currents Magnetic field Magnetic force on moving charges Time varying magnetic field Electric Field More circuit components inductors All together Maxwell s equations Electromagnetic waves Optical images Matter waves i dq dt J nevd R L A 0 1 T T0 V iR P iV Loop rule Single loop Junction rule Multiloop Resistors Key formula V iR Capacitors Q CV In series same current Req Rj same charge 1 Ceq 1 Cj In parallel same voltage 1 Req 1 Rj same voltage Ceq Cj Time constant RC Charge is 63 of final charge or 37 of initial charge VC t q t C VR t i t R Magnetic fields are created by magnetic materials or by electric currents Magnetic field lines always closed Magnetic fields created by currents wires loops solenoids Biot Savart s law Ampere s law Magnetic dipoles field produced by a dipole v F L Changing magnetic flux creates an induced electric field and a current if there is a wire Faraday s law Formula sheet I Formula sheet II
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