“The larger question isn’t going to be answered in the courts, and shouldn’t be,” James B. Comey Jr., the F.B.I. director, said in a hearing of the House Intelligence Committee on Thursday. Credit Jim Lo Scalzo/European Pressphoto Agency The legal wrangling over a federal court order requiring Apple to help law enforcement break into an iPhone intensified Thursday, with the company filing its formal response and asking the court to drop its demand. Other technology companies — Microsoft, Google, Twitter, Facebook and Yahoo — also moved to throw their weight behind Apple in court. The companies said they planned to file one or more briefs backing Apple next week in federal court in California.