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If the temperature of the cold body is decreased the efficiency of a carnot engine __________. (Decreases, Increases, Remains constant)

Asked by Kumar Upendra Akshay 17/02/2015 Last Modified 23/03/2022

18 Answers

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Hi dear all CBSE board student some important topic of physics Electrostatcs 1 parallel plate capacitor 2 equpotential surface 3 expression of energy store by the capacitor also prove that loss of KE take plce when two capacitor connect to common potential 4 what is corona discharge 5 what is gauss theorm and its application Must do all these question it is more than 90% chance

Gauss's law states that the enclosed electric charge in a closed surface is proportional to the net flux of an electric field through the surface. The Gauss's law is one of the Maxwell law of electromagnetism...

Abdhesh

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A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be a.) parallel to the plane of the wire. b.) perpendicular to the circumference of the wire. c.) parallel to half portion and perpendicular for the other half. d. )none of above.

Kumar Upendra Akshay

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In order to obtain an income of Rs. 650 from 10% stock at Rs. 96, one must make an investment of: A. Rs. 3100 B. Rs. 6240 C. Rs. 6500 D. Rs. 9600

Option (B) Rs6240

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The device that produces an intense, monochromatic and coherent beam of light based on stimulated emission of photons from atoms, is called __________. (Laser, x-ray tube, discharge tube, cyclotron

Narendra Kumar

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During pregnancy some specific hormones releases from placenta,like human chorinic gonado tropin, human placental lactogen what is the function each of these hormones during pregnancy?

beta hcg maintains the corpus luteum which secrets progesterone which helps in maintaining pregnancy. human placental lactogen- it breaks the fat from mother to provide fuel to growing foetus

Nagul

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