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Consider the relational schema given below, where eId of the relation dependent is a foreign key referring to empId of the relation employee. Assume that every employee has at least one associated dependent in the dependent relation. Employee (empId, empName, empAge) Dependent(depId, eId, depName, depAge) Consider the following relational algebra query: ΠempId(employee)-ΠempId (employee⋈(empId = eID)∧(empAge ≤ depAge)dependent) The above query evaluates to the set of empIds of employees whose age is greater than that of
Viscoelastic behaviour is observed in __________ materials.
Consider the following statements: 1. Both ferromagnetic and ferrimagnetic materials have domain structures; each domain has randomly oriented magnetic moments when no external field is applied. 2. Both ferromagnetic and ferrimagnetic materials make those domains that have a favourable orientation to the applied field grow in size. 3. The net magnetic moment in ferromagnetic materials is higher than that in ferrimagnetic materials. 4. The net magnetic moment in ferrimagnetic materials is higher than that in ferromagnetic material. Which of the above statements are correct?
From the following list, identify those which are relevant for the theory of rational choice: (a) Aggregation of social behaviour (b) Random behaviour (c) Determinants of behaviour (d) Prediction of behaviour (e) Study of interest groups (f) Behaviour problems associated with information Indicate your answer from the codes. Select the correct option:
Consider the following statements regarding hysteresis loops of hard and soft magnetic materials: 1. Hysteresis loss of hard magnetic material will be less than that of soft material 2. Coercivity of hard material will be greater than that of soft material 3. Retentivity of the two materials will always be equal Which of these statements are correct?
Viscoelastic materials at low temperatures show no change in its strain with change in stress.
Which method is used for measuring the viscoelastic behavior of materials?
Which of the following statements is correct about adaptation dependent on observation behaviour? I. Classical conditioning is for conditioning natural behaviour II. Operant Conditioning is for conditioning the behaviour obtained
The elastic component of viscoelastic material is modeled as _________
Which of the following support materials in learning use the procedures of programmed Instructional Technology based on Skinner and Crowder's principles? A. Modular instructional material B. Branching programs based on material C. Linear programs based materials D. Specially prepared supplement program materials E. Lecture outlines with components of 'to reflect' and 'to do' Choose the correct answer from the options given below: