Related Questions

A synchronous motor installed at the receiving end substation operates with such an excitation that it takes power at lagging power factor. Now if the applied voltage of the synchronous motor goes down, the power factor of the synchronous motor will
A remain same
B go down
C improve
D none of the above
A satellite moves in its orbit around the earth due to
A Gravitational force
B Centripetal force
C Centrifugal force
D None of these
If Bashar can run around a ground four times in 20 minutes and Rahim can run around the same ground three times in 12 minutes, who can run around that ground more times in an hour, and how many times more can he run around ?
A Bashar, three times more
B Rahim , three times more
C They both go around 12 times
D Bashar, eight times more
Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient . A fly crawls around the outside of a circle once.A second fly crawls around the outside of a square once.Which fly travels further ? (1) The diagonal of the square is equal to the diagonal of the circle.(2) The fly crawling around the circle took more time to complete has journey than the fly cawing around the square.
A A
B B
C C
D D
A satellite signal transmitted from a satellite transponder to earth’s station.
A Uplink
B Downlink
C Terrestrial
D Earthbound
For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is:
A Circular orbit
B Sun-synchronous orbit
C Near polar orbit
D None of these
পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
A 36 N and 81 N
B 36 N and 40.5 N
C 36 N and 20.25 N
D 98 and 40.5 N
E 81 N and 81 N
Father said, "the earth moves around the sun". Make it indirect speech-
A Father said that the Earth had moved round the sun
B Father said that the earth has moved round the sun
C Father said that the Earth moves round the sun
D Father said that the Earth moves round the sun
Choose the appropriate parts of speech for underlined word in the sentence- “The earth moves around sun”.
A Noun
B Verb
C Adjective
D Preposition
If gravitational constant is decreasing with time, what will remain unchanged in case of a satellite orbiting around the earth?
A Time period
B Orbiting radius
C Areal velocity
D Angular velocity

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