Rules for drawing electric field lines The lines must begin on positive charges or at infinity and must terminate on negative charges or at infinity. The number of lines drawn leaving a positive charge or approaching a negative charge is proportional to the magnitude of the charge. No two field lines from the same field can cross each other. --- Return [[Home|Home]] | [[Notes Vault/Physics Notes Vault/Physics Skills/Physics|Physics]] | [[Electricity]] | [[Charges]] | [[Coulomb's law]] | [[Electric Field]]