Search
A transformer steps down 220V Ac to 12V AC. Using suitable circuitsincorporating PN diodes
i.Half wave rectified signal [10]
explain how each of the following signals can be obtained
ii.Full Wave Bridge rectified signal.
A metal bar 50cm long at 15°c is heated to 85°c. If it expands by 0.088cm, determine its linear expansivity.
A certain book manufacturing company presents the time it takes for sheets from a press to be folded, gathered,
sewn, tipped on end sheets, and bound. The following data represent samples of books of two book production
companies and the processing time for these jobs. The processing time refers to the time in days starting from
the time the books come off the press to the time they are packed in cartons. Assume the data values came from
normally distributed populations with unequal variances and use 5% level of significance.
Company 1 5.42 5.32 16.25 10.45 21.5
Company 2 9.46 11.36 16.62 12.6 15.5 18.7 10.75 14.2
Is there sufficient evidence to conclude that Company 1 is more efficient than Company 2 if the processing
time is a measure of efficiency?
Create class named PIZZA.
Data field include a string for toppings( such as pepperoni), an integer for diameter in inches (such as 12), and a double for price(such as as 23.70).
Include methods to get and set values for each of these fields.
B. Create an application name TESTPizza the instantiates one demonstrate the use of Pizza set and get methods. Save the application TestPizza.java
A galvanometer with a resistance of 15.0Ω gives a full-scale reading for current of 3.0 A. What shunt resistance is needed to convert this into an ammeter with a 30.Ω A full-scale reading?
Create a class named INVOICE that contains fields for an item number, name, quantity, price, and total cost. Create instance methods that set the item name, quantity, and price. Whenever the price or quantity is set , recalculate the total (price times quantity ). Also include a DISPLAYLine() method that displays the item number, name, quantity, price for each INVOICE. Save the class as INVOICE.java
a) Write a class called Square, as a subclass of Rectangle. Convince yourself that Square can be modeled as a subclass of Rectangle. Square has no instance variable, but inherits the instance variables width and length from its superclass Rectangle.
· Provide the appropriate constructors (as shown in the class diagram). Hint:
public Square(double side) {
super(side, side); // Call superclass Rectangle(double, double)
}
· Override the toString() method to return "A Square with side=xxx, which is a subclass of yyy", where yyy is the output of the toString() method from the superclass.
· Do you need to override the getArea() and getPerimeter()? Try them out.
· Override the setLength() and setWidth() to change both the width and length, so as to maintain the square geometry.
a) The Rectangle class contains:
· Two instance variables width (double) and length (double).
· Three constructors as shown. The no-arg constructor initializes the width and length to 1.0.
· Getter and setter for all the instance variables.
· Methods getArea() and getPerimeter().
· Override the inherited toString() method, to return "A Rectangle with width=xxx and length=zzz, which is a subclass of yyy", where yyy is the output of the toString() method from the superclass.
Write two subclasses of Shape called Circle and Rectangle, as shown in the class diagram.
a) The Circle class contains:
· An instance variable radius (double).
· Three constructors as shown. The no-arg constructor initializes the radius to 1.0.
· Getter and setter for the instance variable radius.
· Methods getArea() and getPerimeter().
· Override the inherited toString() method, to return "A Circle with radius=xxx, which is a subclass of yyy", where yyy is the output of the toString() method from the superclass.
. It is sometimes argued that economic growth that is "too rapid" will be associated with inflation. Use the Aggregate Demand and Aggregate Supply model to show and explain how this statement might be true and which shock is assumed to be hitting the economy?
#339914 on Dec 2023