Why did Dumbledore not defeat Voldemort with the Elder Wand?

Dumbledore is also superstitious enough to believe that Tom cannot kill him in battle with the Elder Wand in his possession. He knows he can’t ultimately win OR be defeated. The Dark Lord Shall Rise Again!

Is it true that Albus Dumbledore was a lot stronger than Voldemort other than the Elder Wand what made Dumbledore so powerful?

No, it’s not true that Dumbledore was a lot stronger than Voldemort. To read the text that way makes a lot of things nonsensical in the books. There’s simply no reason for Dumbledore not to just take Voldemort out if that’s the case.

Why did the Elder Wand not work for Voldemort after he killed Harry?

The curse that killed Lord Voldemort came from the Elder Wand. As Voldemort thought that Snape was the master, Voldemort killed him. So, when Voldemort tried to kill Harry, the Wand wouldn’t harm its master, and so turned the spell back on Voldemort.

Why didnt Dumbledore defend himself?

Dumbledore had become so weak after the duel with Voldemort at the Ministry, and also he was being consumed by the curse, slowly. So, He never had the intention of living beyond the 6th book (i.e. Harry’s 6th year). Dumbledore did not defend himself because, he wanted the elder wand to end up with Severus Snape.

Was Dumbledore powerful without the elder wand?

Dumbledore might have been the best student ever in Hogwarts and the most powerful wizard of his time but the most powerful wizard of all time in the Wizarding World remains Merlin. In fact, Merlin does not even need a wand to cast any form of magic at full efficiency, even Dumbledore wasn’t that powerful.

Was Dumbledore’s death necessary?

In order to ensure Snape’s safety and to further his own gambit, Dumbledore asked Snape to kill him in Malfoy’s stead so that he’d be known for his unquestionable loyalty to Voldemort. He was dieing anyway due to the curse on his hand.