<prompt> Lightning flash can cause injury by all of the following, Except:Direct effect of electric currentSuper heated airExpanded and repelled airCompressed air pushed in front of the current  <response>: D i.e. Compressed air pushed in front of the current Lightning flash can cause injury by 4 factors of Spencer which are - direct effect of high voltage current, burning caused by superheated air, effect of expanded and repelled air and sledge hammer blow by compressed air pushed before not in front of the currentQ. 