Question

1. Create a class person having 5 data members.
Name
Address
Cnic
Gender
Age
All data members should be hidden by the use of data hiding concept. These values will be
initialize using the child clas constructor. For getting the values of these data members getter
method will be created for all data members in the parent class i-e Person.
2. Create another class Teacher that will inherit properties and functionalities from person
class. Teacher class will have experience data member and an array of subjects taught by
that particular teacher.
3. Provide setter and getter methods for all data members.
4. Teacher is allowed to teach at least 2 subjects.
5. Perform input validation in setSubject() function so the user will not be able to input
anything except string value.
6. Default experience of the teacher will be 2 years.
7. Parameterized constructor of person class will be called using the teacher class
constructor. This will initialize all the data members of person class.
8. Using teacher class object display every info of teacher.
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Answer 1

Answer:

Self-induction of coil is the property by virtue of which it tends to maintain the magnetic flux linked with it and opposes any change in the flux by inducingcurrent in it. ... That is why self-induction is called the inertia of electricity