What is will a phone ring if its dead?

No, a phone will not ring if it is dead. When a phone is dead, it means that its battery is completely drained or the phone is turned off. In either case, the phone will not be able to receive any incoming calls or notifications. Also, if the phone is turned off, it will not be able to connect to the cellular network, which is necessary for receiving calls. To receive calls and notifications, the phone needs to be charged and turned on.