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একটি স্টেপ আপ ট্রান্সফরমারে, গৌণ কুণ্ডলীর পাকসংখ্যা মুখ্য কুন্ডলীর পাকসংখ্যার দ্বিগুণ। যদি মূখ্য কুন্ডলীকে কোন পরিবর্তী বিদ্যুৎ লাইনের সাথে সংযুক্ত করা হয়, তাহলে মুখ্য কুণ্ডলীর তুলনায় গৌণ কুণ্ডলীতে- (In a step up transformer, the number of turns in the secondary coil is twice to that of primary coil. If you apply an alternating current in the primary coil, then in the secondary coil compared to the primary coil-)
A তড়িৎ প্রবাহের মান দ্বিগুণ হবে (current will be doubled)
B তড়িৎ প্রবাহের মান অর্ধেক হবে (current will be halved)
C তড়িৎ বিভবের মান অর্ধেক হবে (voltage will be halved)
D তড়িৎ প্রবাহের মান সমান থাকবে (Current will remain the same)
What is the primary purpose of the passage?
A To teach a lesson
B To sell a product
C To support a theory
D To provide information
The primary purpose of the passage is to-
A evaluate a research study
B report new research findings
C summarize the history of a research area
D reinterpret old research findings
Judging from the passage, we can say that this passage is mainly about __________.
A the superiority of human beings over some creatures in terms of senses
B how changes in the seasons are perceived by the deep-sea creatures
C life of sea creatures at the bottom of the sea
It can be inferred that the author of the passage of the passage discussed unmonitored workers primarily in order to:
A Computer the ratings of these workers wih the ratings of monitored workers
B provide an exam
C provide an example of a case in which monitoring might be eddective
D emphasize the effect that CPMCS may have on workers perception of their jobs
[Answer the question 42 best on what is stated or implied in the statement or passage: Leonardo da vinci is not only one of the most famous artists in history, but he was also famous artists in history, but he was also a botanist, a writer, and an inventor. many of today's modern machines can be traced back to some of his original designs. The parachute, the military tank, the bicycle, and even the airplane were foretold. Over 500 years ago, his ideas transcended his time. The author of this passage is praising da Vinci primarily for his-
A artistic talent
B intelligence
C foresight
D fame
Direction : There are five question following the passage. Put cross mark (x) on the right answer choice.: "The phrase that best expresses the ideas of this passage in"
A The nature of rumor
B The fascination of rumor
C Breeding places of rumor
D A case against rumor
There are blank spaces in the following passage which have been numbered . These numbers are printed below the passage and against each some words are suggested . Find out the word that best fit the blank spaces. Global Strategies to control infective disease have historically included the erection of barriers to international travel and ___ (24) _______. Keeping people with such deadly disease outside national borders has ___ (25) _______ as an important public health policy in the human immunodeficiency virus (HIV) epidemic . Betwwn 29 and 50 countries ___ (26) _____ to have introduced border restrictions on HIV _ positive foreigners ,usually those planning an ___ (27) ___ stay in the country , such as students , workers or seamen.
A migration
B immigrate
C emigration
D immigration
Imagine that the author decides to change this passage so that it talks about a cheeseburger instead of a hamburger. Assume that the cheese goes directly on top of the hamburger patty . If the author wants to include a paragraph about how the food stylist designs the cheese and palces it on the meat patty , this new paragraph would best fit into the passage-
A between paragrph 4 and paragraph 5
B between paragraph 2 and paragraph 3
C between paragraph 3 and paragraph 4
D between paragraph 5 and paragraph 6
Judging from the passage, we can say that this passage is mainly about -----.
A life of sea creatures at the bottom of the sea.
B how changes in the seasons are perceived by the deep-sea creatures
C how wonderful our lives were and will be
D The superiority of human being over same creatures in terms of senses

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