ESE (IES) Electrical Engineering (TECHNICAL) 2017

Consider the following statements with regard to Lissajous Patterns on a CRO: 1) It is a stationary pattern on the CRO. 2) It is used for precise measurement of frequency of a voltage signal. 3) The ratio between frequencies of vertical and longitudinal voltage signals should be an integer to have a steady Lissajous Patterns. Which of the above statements is/are correct?

“Electric flux enclosed by a surface surrounding a charge is equal to the amount of charge enclosed.” This is the statement of

If a positively charged body is placed inside a spherical hollow conductor, what will be the polarity of charge inside and outside the hollow conductor?

Consider the following statements regarding Peer-to-Peer computing environment: 1) In this system, clients and servers are not distinguished from one another. 2) All nodes distributed throughout the system (within) are considered Peers and each may act as either a client or a server. 3) Peer-to-Peer system assuredly offers certain advantages over the traditional client-server system. Which of the above statements are correct?

What is the octal equivalent of (5621.125)10?

What is the hexadecimal representation of (657)8 ?