As shown in image below, i would like to see the output of the rectifier on the scope but am unable to connect it to the scope because a red dotted line appears in that connection 
As shown in image below, i would like to see the output of the rectifier on the scope but am unable to connect it to the scope because a red dotted line appears in that connection 
To convert between the Physical Modelling world and the standard Simulink world, you need to use a PS-Simulink Converter block.
Also see: Connecting Simscape Diagrams to Simulink Sources and Scopes