Related Questions

The police suspects Rana of aiding terrorists by arranging safe house and finance. The Police has realized that Rana has several e-mail accounts and operates those e-mail accounts using aliases. The police wants to access the e-mail messages being sent and received by Rana to confirm its suspicion. Select the most appropriate method which may be used by the police to access Rana's e-mail account:-
There exist three terminals in a relay called C, NO, NC, in an application, it is desired that whenever the relay is active the load must be connected be supply, otherwise the load will be disconnected from supply. Which of the following connection type in relay will provide solution to the stated problem?
Buchholz relay is a protection relay used in oil immersed transformers. Under what conditions does Buchholz Relay will NOT operate?