a. Find the current in the cable by the equation P=IV b. Find the Power lost in the cable by the equation P=I2R. Electronic Energy change of electron in an electron gun Kinetic energy gain = electrical potential energy 1 2 2 2 mv eV eV v m = = v = speed of electron (ms-1) V = potential difference across the electron gun (V) Download Physics Formulas For Class 12 PDF. The physics formula list for class 12 is given below so that students can prepare for their examination more effectively. The physics formula sheet will also help students during the time of revision before their board examination. Get the list of physics Formulas For Class 12 given below. View List of equation.pdf from PHYSICS SP025 at Johor Matriculation College. List of Physics Equations SP015 PENTING : * rumus yang ada adalah rumus yg ada dalam CS Physical Quantities and Physics Equation List :Form 4 Introduction to Physics Relative Deviation Relative Deviation = 100%Mean Deviation Mean Value × Prefixes Prefixes Value Standard form Symbol Tera 1 000 000 000 000 1012 T Giga 1 000 000 000 109 G Mega 1 000 000 106 M Kilo 1 000 103 k deci 0.1 10-1 d centi 0.01 10-2 c milli 0.001 10-3 m micro 0.000 001 10-6 μ Physics Basic Formulas Force (Newton's 2nd Law) Velocity (v) Density (ρ ) Drag Force. Gravitational Force (g) Buoyant Force. Momentum Angular Velocity (ω ) Escape Velocity. Orbital Velocity Dynamic Viscosity. Kinematic Viscosity Kinetic Energy Rotational Kinetic Energy Gravitational Potential Energy. Physics Formulas. List of all Physics formulas. Physics is one such subject that is more about understanding subject matter rather than remembering. Basic Physics, in general, is one such subject which requires a greater amount of attention. All the Physics formulas are prepared in Pdf format.This makes it easily accessible to students.