Other Engineering Answers

A refrigerator has to transfer an average of 263J of heat per second from -10'C to 25'C.Calculate the average power consumed .assume that the refrigerator is ideal.?

A unit positive charged moves in an electric field E, along the path xyz, the voltage between point x and z ?

An object placed in front of a convex mirror of radius 20cm produces an erect image which is one-fifth the size of the object. How far is the object from the mirror?

How far should an object be from a concave mirror of radius 30cm to form a real image 1/6 of its size?

1. Draw the flowchart and write a c program that reads in a number n and then outputs the sign off the square from 1 to n

Ex. If n=3, output should be 14 because 1²+2²+3²=1+4+9=14

2. In a class of n students print the total no of female students and the total no of male students and at the end print the total no of total no of students in n class both males and females.

Write a program to get an array of Strings from the user and then accept a string to find in the array. The program should print ‘Found’ if the value is present in the array else print ‘Not Found’.

Enter the number of elements in the String:
5
Enter a String:
abc
Enter a String:
def
Enter a String:
xyz
Enter a String:
123
Enter a String:
Pqr

Enter a String to search:
xyz
Output: Found



help me to solve this

Write a class ‘Counter’ which has a data member currentVal which hold the current value of the counter. Add a constructor which takes the intial value of the counter. Then add increment/decrement functions to this class which increment/decrement the value of the currentVal. Add a printValue function which prints the current value.
Then write a main function which will create a object of the Counter class with 5 as the initial value. Then call increment and decrement functions and print the values after each call.

How to solve the problem of laptops booting if always present the sentence " please do not turn off or unplug your computer. Installed 3 of 3 " till hours and still like that ?

two large horizontal metal plates are seperated by 4mm.the lower plates is at potential of -6v.what potential should be applied to the upper plate to create electric field strenght of 4000v/m upwards in the space between the plates

Find the biggest number from a sequence of input numbers from keyboard.
Hint: use of Scanner class to accept input and hasNextInt() function