True or false: (a) the induced emf in a circuit is proportional to the magnetic flux through the circuit.

Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.

Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth

Which type of energy is transferred by convection currents?