What is equivalence ?

What is equivalence ?
by

1 Answer

Answer :

Equivalent Resistance: Using a single resistor instead of an insertion of a resistor, if there is no change in the current flow and voltage difference of the circuit , then that resistor is called a resistive resistor of that insertion.
by

Related questions

Show that the relation ‘≅’ congruence on the set of all triangles in Euclidean plane geometry is an equivalence relation. -Maths 9th

Description : Show that the relation ‘≅’ congruence on the set of all triangles in Euclidean plane geometry is an equivalence relation. -Maths 9th

Last Answer : Reflexive : A ≅ A True Symmetric : if A ≅ B then B ≅ A True Transitive : if A ≅ B and B ≅ C, then A ≅ C True Therefore, the relation ‘≅’ is an equivalence relation.

Write ‘yes’ if each of the following relations is an equivalence relation. -Maths 9th

Description : Write ‘yes’ if each of the following relations is an equivalence relation. -Maths 9th

Last Answer : (i) is parallel to' is reflexive, because any line is parallel to itself. Symmetric, because if line l is parallel to line m, then line m is parallel to line l. Transitive, because if l || m ... y cannot be a factor of x. (v) No, because the relation is reflexive and transitive but not symmetric.

If R is a relation in N × N defined by (a, b) R (c, d) if and only if ad = bc, show that R is an equivalence relation. -Maths 9th

Description : If R is a relation in N × N defined by (a, b) R (c, d) if and only if ad = bc, show that R is an equivalence relation. -Maths 9th

Last Answer : (i) R is reflexive. For all (a, b) ∈ N N we have (a, b) R (a, b) because ab = ba ⇒ R is reflexive. (ii) R is symmetric. Suppose (a, b) R (c, d) Then (a, b) R (c, d) ⇒ ... ) R (e, f) ⇒ R is transitive. Since R is reflexive, symmetric and transitive, therefore, R is an equivalence relation on N N.

Which of the following is an equivalence relation defined on set A = {1, 2, 3} -Maths 9th

Description : Which of the following is an equivalence relation defined on set A = {1, 2, 3} -Maths 9th

Last Answer : (c) {(1, 1), (2, 2), (3, 1), (1, 3), (3, 3)} Option (c) satisfies all the conditions of an equivalence relation. (1, 1), (2, 2), (3, 3) ∈ R ⇒ (a, a) ∈ R V a ∈ A ⇒ R is reflexive (3, 1) ∈ R and (1, 3) ∈ R ... R and (1, 1) ∈ R ⇒ (a, b) ∈ R, (b, c) ∈ R ⇒ (a, c) ∈ R V a, b, c ∈ A ⇒ R is transitive.

What is light equivalence ?

Description : What is light equivalence ?

Last Answer : If one of the two configurations having the same molecular and structural signal of the light active compound rotates clockwise on the surface of the polarized light and the other counterclockwise, they are called light isosceles and this is called light isosceles.

What is Electrochemical Equivalence ?

Description : What is Electrochemical Equivalence ?

Last Answer : One ampere conducts an electric current for one second, that is , one coulomb conducts an electric current.

Why Equivalent Mass Can Be Called Chemical Equivalence ?

Description : Why Equivalent Mass Can Be Called Chemical Equivalence ?

Last Answer : One ampere conducts an electric current for one second, that is , one coulomb conducts an electric current. On the other hand , the amount of matter stored in the electric gate ( ... in the electrode, like the electrochemical equivalent. So equivalent mass can be called chemical equilibrium.

The octal equivalence of 111010 is A) 81 B) 72 C) 71 D) None of above

Description : The octal equivalence of 111010 is A) 81 B) 72 C) 71 D) None of above

Last Answer : Answer : B

What is zone of equivalence ?

Description : What is zone of equivalence ?

Last Answer : In this, ratio of antigen-antibody is seen optimal which results in large multimolecular lattice, hence maximum precipitation is observed.

For spark ignition engine, the equivalence ratio of mixture entering the combustion chamber has values (A) for idling and for peak power conditions (B) for both idling and peak power conditions (C) for idling and for peak power conditions (D) for both idling and peak power conditions

Description : For spark ignition engine, the equivalence ratio of mixture entering the combustion chamber has values (A) for idling and for peak power conditions (B) for both idling and peak power conditions (C) for idling and for peak power conditions (D) for both idling and peak power conditions

Last Answer : ANSWER (B) for both idling and peak power conditions

Which are needed to compute the logical inference algorithm? a) Logical equivalence b) Validity c) Satisfiability d) All of the mentioned

Description : Which are needed to compute the logical inference algorithm? a) Logical equivalence b) Validity c) Satisfiability d) All of the mentioned

Last Answer : d) All of the mentioned

The idea that irrespective of how a government chooses to increase spending, either by debt financing or tax financing, the outcome will be the same and demand will remain unchanged, is popularly known as: a) Ricardian theory of equivalence b) Ricardian theory of competitive advantage c) Ricardian theory of stability d) None of the above

Description : The idea that irrespective of how a government chooses to increase spending, either by debt financing or tax financing, the outcome will be the same and demand will remain unchanged, is popularly ... b) Ricardian theory of competitive advantage c) Ricardian theory of stability d) None of the above

Last Answer : a) Ricardian theory of equivalence David Ricardo was a British political economist and his most famous theory was that of comparative advantage (along with above theory of Ricardian ... nation should use its resources solely in industries where it has the most international competitiveness

The octal equivalence of 111010 is a. 81 b. 72 c. 71 d. None of above

Description : The octal equivalence of 111010 is a. 81 b. 72 c. 71 d. None of above

Last Answer : b. 72

Which of the following is true about White and Black Box Testing Technique:- a) Equivalance partitioning, Decision Table and Control flow are White box Testing Techniques. b) Equivalence partitioning , Boundary Value Analysis , Data Flow are Black Box Testing Techniques. c) Equivalence partitioning , State Transition , Use Case Testing are black box Testing Techniques. d) Equivalence Partioning , State Transition , Use Case Testing and Decision Table are White Box Testing Techniques.

Description : Which of the following is true about White and Black Box Testing Technique:- a) Equivalance partitioning, Decision Table and Control flow are White box Testing Techniques. b) Equivalence partitioning ... , State Transition , Use Case Testing and Decision Table are White Box Testing Techniques.

Last Answer : c) Equivalence partitioning , State Transition , Use Case Testing are black box Testing Techniques.

One of the fields on a form contains a text box which accepts alphabets in lower or upper case. Identify the invalid Equivalence class value. a. CLASS b. cLASS c. CLass d. CLa01ss

Description : One of the fields on a form contains a text box which accepts alphabets in lower or upper case. Identify the invalid Equivalence class value. a. CLASS b. cLASS c. CLass d. CLa01ss

Last Answer : d. CLa01ss

In a system designed to work out the tax to be paid:An employee has £4000 of salary tax free. The next £1500 is taxed at 10% the next £28000 is taxed at 22%. Any further amount is taxed at 40% Which of these groups of numbers would fall into the same equivalence class? a) £4800; £14000; £28000 b) £5200; £5500; £28000 c) £28001; £32000; £35000 d) £5800; £28000; £32000

Description : In a system designed to work out the tax to be paid:An employee has £4000 of salary tax free. The next £1500 is taxed at 10% the next £28000 is taxed at 22%. Any further amount is taxed at 40% ... ) £4800; £14000; £28000 b) £5200; £5500; £28000 c) £28001; £32000; £35000 d) £5800; £28000; £32000

Last Answer : d) £5800; £28000; £32000

Evaluating testability of the requirements and system are a part of which phase:- a) Test Analysis and Design b) Test Planning and control c) Test Implementation and execution d) Evaluating exit criteria and reporting Q4. One of the fields on a form contains a text box which accepts alphabets in lower or upper case. Identify the invalid Equivalence class value.

Description : Evaluating testability of the requirements and system are a part of which phase:- a) Test Analysis and Design b) Test Planning and control c) Test Implementation and execution d) Evaluating ... text box which accepts alphabets in lower or upper case. Identify the invalid Equivalence class value.

Last Answer : a) Test Analysis and Design

Which technique can be used to achieve input and output coverage? It can be applied to human input, input via interfaces to a system, or interface parameters in integration testing. A. Error Guessing B. Boundary Value Analysis C. Decision Table testing D. Equivalence partitioning

Description : Which technique can be used to achieve input and output coverage? It can be applied to human input, input via interfaces to a system, or interface parameters in integration testing. A. Error Guessing B. Boundary Value Analysis C. Decision Table testing D. Equivalence partitioning

Last Answer : D. Equivalence partitioning

When testing a grade calculation system, a tester determines that all scores from 90 to 100 will yield a grade of A, but scores below 90 will not. This analysis is known as: A. Equivalence partitioning B. Boundary value analysis C. Decision table D. Hybrid analysis

Description : When testing a grade calculation system, a tester determines that all scores from 90 to 100 will yield a grade of A, but scores below 90 will not. This analysis is known as: A. Equivalence partitioning B. Boundary value analysis C. Decision table D. Hybrid analysis

Last Answer : A. Equivalence partitioning

When testing a grade calculation system, a tester determines that all scores from 90 to 100 will yield a grade of A, but scores below 90 will not. This analysis is known as: A. Equivalence partitioning B. Boundary value analysis C. Decision table D. Hybrid analysis

Description : When testing a grade calculation system, a tester determines that all scores from 90 to 100 will yield a grade of A, but scores below 90 will not. This analysis is known as: A. Equivalence partitioning B. Boundary value analysis C. Decision table D. Hybrid analysis

Last Answer : B. Boundary value analysis

Given the following specification, which of the following values for age are in the SAME equivalence partition? If you are less than 18, you are too young to be insured. Between 18 and 30 inclusive, you will receive a 20% discount. Anyone over 30 is not eligible for a discount. A. 17, 18, 19. B. 29, 30, 31. C. 18, 29, 30. D. 17, 29, 31.

Description : Given the following specification, which of the following values for age are in the SAME equivalence partition? If you are less than 18, you are too young to be insured. Between 18 and 30 inclusive, you will receive a 20% discount. Anyone ... 17, 18, 19. B. 29, 30, 31. C. 18, 29, 30. D. 17, 29, 31.

Last Answer : C. 18, 29, 30.

f the temperature falls below 18 degrees, the heating is switched on. When the temperature reaches 21 degrees, the heating is switched off. What is the minimum set of test input values to cover all valid equivalence partitions? A. 15, 19 and 25 degrees B. 17, 18, 20 and 21 degrees C. 18, 20 and 22 degrees D. 16 and 26 degrees

Description : f the temperature falls below 18 degrees, the heating is switched on. When the temperature reaches 21 degrees, the heating is switched off. What is the minimum set of test input values to cover all valid equivalence ... 17, 18, 20 and 21 degrees C. 18, 20 and 22 degrees D. 16 and 26 degrees

Last Answer : A. 15, 19 and 25 degrees

A thermometer measures temperature in whole degrees only. If the temperature falls below 18 degrees, the heating is switched off. It is switched on again when the temperature reaches 21 degrees. What are the best values in degrees to cover all equivalence partitions? A. 15,19 and 25. B. 17,18 and19. C. 18, 20 and22. D. 16, 26 and 32.

Description : A thermometer measures temperature in whole degrees only. If the temperature falls below 18 degrees, the heating is switched off. It is switched on again when the temperature reaches 21 degrees. What are the best values in degrees to ... and 25. B. 17,18 and19. C. 18, 20 and22. D. 16, 26 and 32.

Last Answer : A. 15,19 and 25.

One of the fields on a form contains a text box which accepts alpha numeric values. Identify the Valid Equivalence class A. BOOK B. Book C. Boo01k D. book

Description : One of the fields on a form contains a text box which accepts alpha numeric values. Identify the Valid Equivalence class A. BOOK B. Book C. Boo01k D. book

Last Answer : C. Boo01k

Which technique can be used to achieve input and output coverage? It can be applied to human input, input via interfaces to a system, or interface parameters in integration testing. a) Error Guessing b) Boundary Value Analysis c) Decision Table testing d) Equivalence partitioning

Description : Which technique can be used to achieve input and output coverage? It can be applied to human input, input via interfaces to a system, or interface parameters in integration testing. a) Error Guessing b) Boundary Value Analysis c) Decision Table testing d) Equivalence partitioning

Last Answer : d) Equivalence partitioning

Find the Equivalence class for the following test case Enter a number to test the validity of being accepting the numbers between 1 and 99 A. All numbers < 1 B. All numbers > 99 C. Number = 0 D. All numbers between 1 and 99

Description : Find the Equivalence class for the following test case Enter a number to test the validity of being accepting the numbers between 1 and 99 A. All numbers < 1 B. All numbers > 99 C. Number = 0 D. All numbers between 1 and 99

Last Answer : D. All numbers between 1 and 99

Find the invalid equivalence class for the following test case Draw a line up to the length of 4 inches A. Line with 1 dot-width B. Curve C. Line with 4 inches D. None of the above

Description : Find the invalid equivalence class for the following test case Draw a line up to the length of 4 inches A. Line with 1 dot-width B. Curve C. Line with 4 inches D. None of the above

Last Answer : B. Curve

One technique of Black Box testing is Equivalence Partitioning. In a programstatement that accepts only one choice from among 10 possible choices,numbered 1 through 10, the middle partition would be from _____ to _____ a) 4 to 6 b) 0 to 10 c) 1 to 10 d) None of the above

Description : One technique of Black Box testing is Equivalence Partitioning. In a programstatement that accepts only one choice from among 10 possible choices,numbered 1 through 10, the middle partition would be from _____ to _____ a) 4 to 6 b) 0 to 10 c) 1 to 10 d) None of the above

Last Answer : c) 1 to 10

Which of the following designs permits a comparison of pretest scores to determine the initial equivalence of groups on the pretest before the treatment variable is introduced into the research setting. a. One-group pretest-posttest design b. Pretest-posttest control group design c. Posttest-only design with nonequivalent groups d. Both b and c

Description : Which of the following designs permits a comparison of pretest scores to determine the initial equivalence of groups on the pretest before the treatment variable is introduced into the research setting. a. ... control group design c. Posttest-only design with nonequivalent groups d. Both b and c

Last Answer : b. Pretest-posttest control group design

The octal equivalence of 111010 is a. 81 b. 72 c. 71 d. None of above

Description : The octal equivalence of 111010 is a. 81 b. 72 c. 71 d. None of above

Last Answer : b. 72

Explain Equivalence Class Partitioning and Boundary value analysis. Compare the two.

Description : Explain Equivalence Class Partitioning and Boundary value analysis. Compare the two.

Last Answer : Ans. Equivalence Class Partitioning: It is a technique in black box testing. It is designed to minimize the number of test cases by dividing tests in such a way that the system is expected to act the ... valid data equivalence class, then you can select test case values like: 1, 11, 100, 950 etc.

Explain the following: (i) Equivalence class testing. (ii) User and System documentation with examples. (iii) Core dumps.

Description : Explain the following: (i) Equivalence class testing. (ii) User and System documentation with examples. (iii) Core dumps.

Last Answer : Ans: (i) Equivalence class testing is based on partitioning the input domain of a program into a number of equivalence classes so that the test of a representative value of each ... indiscriminately. Sometimes it is difficult to interpret the dump which is represented using hexadecimal numbers.

.Which one is used for compute the logical inference algorithm? a. Validity b.Satisfiability c. Logical equivalence d.All of these

Description : .Which one is used for compute the logical inference algorithm? a. Validity b.Satisfiability c. Logical equivalence d.All of these

Last Answer : d.All of these

DeMorgan’s first theorem shows the equivalence of (A) OR gate and Exclusive OR gate. (B) NOR gate and Bubbled AND gate. (C) NOR gate and NAND gate. (D) NAND gate and NOT gate

Description : DeMorgan’s first theorem shows the equivalence of (A) OR gate and Exclusive OR gate. (B) NOR gate and Bubbled AND gate. (C) NOR gate and NAND gate. (D) NAND gate and NOT gate

Last Answer : (B) NOR gate and Bubbled AND gate.

When different combination of input requires different combination of actions,Which of the following technique is used in such situation? a) Boundary Value Analysis b) Equivalence Partition c) Decision Table d) Decision Coverage

Description : When different combination of input requires different combination of actions,Which of the following technique is used in such situation? a) Boundary Value Analysis b) Equivalence Partition c) Decision Table d) Decision Coverage

Last Answer : Ans : c

_____ is a white-box testing technique first proposed by Tom McCabe. a) Equivalence Partitioning b) Basis Path Testing c.) Boundary Value Analysis d) None of the above.

Description : _____ is a white-box testing technique first proposed by Tom McCabe. a) Equivalence Partitioning b) Basis Path Testing c.) Boundary Value Analysis d) None of the above.

Last Answer : Ans : b. 

Equivalence partitioning is a .................. method that divides the input domain of a program into classes of data from which test cases can be derived. (A) White-box testing (B) Black-box testing (C) Orthogonal array testing (D) Stress testing

Description : Equivalence partitioning is a .................. method that divides the input domain of a program into classes of data from which test cases can be derived. (A) White-box testing (B) Black-box testing (C) Orthogonal array testing (D) Stress testing

Last Answer : (B) Black-box testing

One weakness of boundary value analysis and equivalence partitioning is (A) they are not effective. (B) they do not explore combinations of input circumstances. (C) they explore combinations of input circumstances (D) none of the above

Description : One weakness of boundary value analysis and equivalence partitioning is (A) they are not effective. (B) they do not explore combinations of input circumstances. (C) they explore combinations of input circumstances (D) none of the above

Last Answer : (B) they do not explore combinations of input circumstances.

Let L be the language generated by regular expression 0*10* and accepted by the deterministic finite automata M. Consider the relation RM defined by M. As all states are reachable from the start state, RM has ................ equivalence classes. (A) 2 (B) 4 (C) 5 (D) 6

Description : Let L be the language generated by regular expression 0*10* and accepted by the deterministic finite automata M. Consider the relation RM defined by M. As all states are reachable from the start state, RM has ................ equivalence classes. (A) 2 (B) 4 (C) 5 (D) 6

Last Answer : (D) 6

How many different equivalence relations with exactly three different equivalence classes are there on a set with five elements? (A) 10 (B) 15 (C) 25 (D) 30

Description : How many different equivalence relations with exactly three different equivalence classes are there on a set with five elements? (A) 10 (B) 15 (C) 25 (D) 30

Last Answer : (C) 25

Which of the following statement(s) is/are TRUE with regard to software testing? I. Regression testing technique ensures that the software product runs correctly after the changes during maintenance. II. Equivalence partitioning is a white-box testing technique that divides the input domain of a program into classes of data from which test cases can be derived. (1) only I (2) only II (3) both I and II (4) neither I nor II

Description : Which of the following statement(s) is/are TRUE with regard to software testing? I. Regression testing technique ensures that the software product runs correctly after the changes during maintenance. II. Equivalence partitioning is a ... (1) only I (2) only II (3) both I and II (4) neither I nor II

Last Answer : (1) only I 

What is mass energy equivalence? Give one example. Define mass defect and binding energy.

Description : What is mass energy equivalence? Give one example. Define mass defect and binding energy.

Last Answer : Mass energy equivalence:-   The physical principle that a measured quantity of energy is equivalent to a measured quantity of mass. The equivalence is expressed by Einstein's equation E = mc ... of energy that must be supplied to a nucleus to completely separate its nuclear articles (nucleons)