Draw a graph showing variation of induced emf over a cycle in an ac generator. Also indicate peak value of emf.

Draw a graph showing the variation of resistivity with temperature for a semiconductor.

Einstein got Nobel prize in physics in 1921 for his explanation of photoelectric effect. Draw a graph to show the variation of stopping potential with frequency of incident radiation. How the value of Plank.s constant can be deter mined from the graph?

Draw a graph showing the variation of charge stored in a capacitor with its potential. How will you calculate the energy stored in the capacitor using the above grah?

Draw a graph showing the variation of stopping potential with frequency of incident radiation Mark the threshold frequency in the figure.

draw a graph showing the variation of volume of a given mass of water with temperature from 0°C . In the graph mark the temperature at which water has maximum density.