As much as a rubber slug, or bear banger, or whatever would be effective......
What you have is an animal that has come to learn that urbanized areas are a food source. Go ahead, move your feeder, maybe the bear moves on.
TO SOMEONE ELSE'S YARD.
As I mentioned in a previous post, there is a bear on my wall. Prior to its arrival there, what had once been a bear that showed evidence of being in the area, had stepped up its game, and learned of domestic food sources. This could be from inadvertent to negligent supply of food sources being left out, despite the known fact of a bear, in the area. Bottom line, the bear started showing up in yards, and making appearances.
F&W was contacted, the first time I heard of the bear coming into yards (his habits had changed). A good discussion developed about re-locating the bear. Ultimately, F&W advised that the bear should be dispatched, and provided permission. The reasoning provided by the CO was that although the desire expressed was to get the bear relocated and saved; that the bear already exhibited behaviors which showed it had learned that domestics are a food source. The only reason that F&W would get involved in a "catch and relocate" would to be to provide others in the area with a fluffy feeling by telling them that. In fact, the bear would be captured and destroyed by F&W.
Why? It was the assertion of the officer that as the bear had learned that humans are a source of food (albeit only for a short while), that he had now become a nuisance bear. CO continued to describe that relocations, in such cases as was presented to him, generally FAIL. That even with remote relocates, the bears will travel great distances, and upon learning of easy food sources, would continue to seek food that way, in the future. It was the CO determination that the bear was too far gone. The rest of the story gets the bear to the wall.
IMHO, at the point where this bear is at, these "responsible" folks giving you advice on bear deterrent, are steering you wrong.
If you simply find it acceptable to deter the bear from your property, it WILL go to another, and maybe they deter it, then maybe another. Ultimately, like in my previous post in this thread, it will require the bear to be put down. Now, hopefully, you don't deter the bear out of your yard, so he goes to the next, where he is "surprised" by the residents who don't know that a bear who has learned of domestic food sources , is around, leading up to an attack.
May not be the next yard it gets "deterred" to, or the next, but that event is coming.
Unless you do the real responsible thing, and view the situation, for what is really happening. This is now a nuisance bear. Have you called F&W? Talked to your CO? Establish a plan with them to deal with the bear. Or carry the responsibilty you share after "deterring" the bear and it attacks at another location.
The bear deterrents identified in this thread are for single encounters in remote areas. Although people love to sell them to people that have a "problem bear", that is not the purpose. A bear exhibiting the behavior you describe will hurt someone, someday. Identify the problem to F&W so a proper plan can be put in place, to deal with the bear, before someone gets hurt.