A proton charge travelling perpendicular to a magnetic field experience the same force as an alpha particle charge 2e which is also travelling perpendicular to the same field find the ratio of their speeds is v proton bi vi alpha

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions