Physics > Electromagnetism

A coil having : N= 440 turns diameter =1,2mm Mean length= 120mm Inductance= 400micro Henry's C... How does changing the electric current in an electromagnet affect the magnetic force generated? I... Use the table of observations about the electric force between charged objects to answer the questio... A teacher places a metal can on top of an insulating foam cup and touches the side of the cup with a... Two negatively charged objects exert a force on each other. Describe the force between the objects,... Use the table of observations about the electric force between charged objects to answer the questio... (a) Two point charges totaling 7.00 µC exert a repulsive force of 0.250 N on one another when separa... The electric force between stationary charged bodies is called the Three charges are located at the vertices of a triangle, as shown. An isosceles triangle lying on... A charge of 8.5 × 10–6 C is in an electric field that has a strength of 3.2 × 105 N/C. What is the e...