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Question: Please read carefully the attached article " Prior Knowledge and Its Relevance to Student Achievement in Introduction to Psychology", use your knowledge from the course to write and submit a critical analysis (or cricital response) to all the arguments that author has made in the discussion section of the article.



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Preexisting knowledge is very important characteristic of an individual and it is given great priority to by both the psychologists and teachers. To the psychologists it helps in the treatment of the patient. From the real life experience it has been also prove that three existing knowledge helps the students to understand a complex matter very easily and they can do very well if they have pre existing knowledge. With the help of pre-test and post-test evaluation it has been proved that students with prior knowledge get good marks in the examination and they can easily do well in the examination. In the research the the researcher has proved it with beautiful analysis. For the achievement in the field of education it works as positive influence. In case of individual differences will also find get influence of the prior knowledge. The difference between good student and bad student can be easily mark on the level of Pre existing knowledge.

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Question: A 250-V, 4-pole, wave-wound d.c. series motor has 782 conductors on itsarmature. It has armature and series field resistance of 0.75 ohm. The motor takesa current of 40 A. Estimate its speed and gross torque developed if it has a flux per pole of 25 mWb Answer: Step 1 Mechanical Engineering homework question answer, step 1, image 1 Mechanical Engineering homework question answer, step 1, image 2 Step 2 Mechanical Engineering homework question answer, step 2, image 1 Step 3 Mechanical Engineering homework question answer, step 3, image 1

Question: A 250-V, 4-pole, wave-wound d.c. series motor has 782 conductors on itsarmature. It has armature and series field resistance of 0.75 ohm. The motor takesa current of 40 A. Estimate its speed and gross torque developed if it has a flux per pole of 25 mWb Answer: Step 1 Step 2 Step 3

QUESTION 6 (a) The bar shown in Figure Q2(a) is subjected to tensile load of 150 Kn. If the stress in the middle portions is limited to 160 N/mm², determine the diameter of the middle portion. Find also the length of the middle portion if the total elongation of the bar is to be 0.25 mm. E E = 2.0 + 105N/mm². (12 marks) 150 KN 10 cm DIA 10 cm DIA 150 KN 45 cm Figure Q6(a) (b) A brass bar, having cross-section area of 900 mm², is subjected to axial forces as shown in Figure Q2(b), in which AB = 0.6 m, BC = 0.8 m, and CD = 1.0 m. Find the total elongation of the bar. E = 1.0 + 105N/mm2 . (8 marks) Page 4 of 5 B D 40 KN 70 KN 20 KN 10 KN Figure Q6(b) (TOTAL = 20 MARKS)

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