PRELIMINARY ROUND 3

Which of the following elements of electrical engineering cannot be analyzed using Ohm’s law?

• Capacitors

• Inductors

• Transistors

• Resistance

Where does electro-static shielding occur in a charged spherical shell?

• When electrical potential outside spherical shell is zero

• When electrical potential inside the spherical shell is zero

• When electrical field outside the spherical shell

• Electrical field inside the spherical shell

Which of the following according to fundaments of electrical energy is correct about alternating current?

• Frequency is zero

• Magnitude changes with time

• Can be transported to larger distances with less loss in power

• Flows in both directions

Process of inserting an element in stack is called ____________

• Create

• Push

• Pop

• Evaluation

In a stack, if a user tries to remove an element from an empty stack it is called _________

• Underflow

• Empty collection

• Overflow

• Garbage Collection

Which of the following is not the application of stack?

• A parentheses balancing program

• Tracking of local variables at run time

• Compiler Syntax Analyzer

• Data Transfer between two asynchronous process

Which of these best describes an array?

• A data structure that shows a hierarchical behavior

• Container of objects of similar types

• Arrays are immutable once initialised

• Array is not a data structure

Which of the following concepts make extensive use of arrays?

• Binary trees

• Scheduling of processes

• Caching

• Spatial locality

What is Control System?

• Control system is a system in which the output is controlled by varying the input

• Control system is a device that will not manage or regulate the behaviour of other devices using control loops

• Control system is a feedback system that can be both positive and negative

• Control System is a system in which the input is controlled by varying the output

Which of the following element is not used in an automatic control system?

• Final control element

• Sensor

• Oscillator

• Error detector