AC is when the electrons flow in two directions, from the positive to the negative terminal and from the negative to the positive terminal, 'alternating' between the two directions. A lot of people think of electron flow as electrons moving along a wire freely like cars go down a highway.
To check the status of protected mode, choose File > Properties > Advanced > Protected Mode. Protected mode is enabled by default. To specify the settings, do the following: Choose Edit > Preferences. In the Categories list on the left, select Security (Enhanced). In the Sandbox Protections section, select or deselect Enable Protected Mode At Startup. Enable Create Protected Mode Log File to record events. The changes take effect the next time you start the application.
Or alternatively, go to Tools -> Internet Options, then click on Security tab, which is the same with Internet Security dialog box (figure 2). Uncheck or untick the Enable Protected Mode check box. After unselected it, click on OK, and restart Internet Explorer to make the change effective. If youâre prompted with Warning! dialog that the current security settings will put your computer at risk, click on OK.