Ahmed Haider

physics mathematics maxwell equations (1 vectors shrodinger equation harmonic oscillator creation and anhiliation operator factorization method expanding universe galxies birth of stars astrophysics crabs nanofiuds preparation of nanofluids characteriization of nanofluids main challanges and issues of nanofluids one step method tow step method termal conductivity of nanofluids viscosity of nanofluids numerical analysis electric dipole moment vector analysis electrostatics electric displacement potential energy stock theorem vector operations work done electric field due to dipole potential energy due to dipole electric field gauss law divergence theorem 2) polarization vector transform dipole coulomb law kvl كيرشوف قانون كيرشوف للتيار قانون كيرشوف للجهد excercises فيزياء mooc moocs massive open online courses coursera connectivism history of moocs connectivism and connected knowledge edx science time management success planning study tips class management دوائر تيار تحتوي على مكثف c c دائرة الرنين r ciruit l circuit دوائر تيار متردد بها مقاومة rc circuit دوائر تيار بها مقاومة وملف ac circuits in series دوائر تياربها ملف حث عديم ا rl circuit c circuit rlc circuits دوائر تيار تحتوي على مقاومة الدوائر المهتزة kirchhoff engineering electronics electricity ciruit analysis kcl