Indicator Diagram

For a given thermodynamic cyclic process, P-V indicator diagram is as shown in the figure. Process AB,BC & CA are isobaric, & isothermal respectively. Then which of the following curve represent correc V-T indicator diagram for the process ABCA ?

The adjacent diagram indicates…..

Crystal defect indicated in the diagram below is

Crystal defect indicated in the diagram below is:

Crystal defect indicated in the diagram below is: