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A pump is rated  80% effecient raise 5000kg of water evry 200s at height of 40m .calculate the power output and power input of the machine?  | 
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| asked by Diksha. (diksha17) 9 years ago  | 
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 + 8 more questions by diksha17    
state d chnge in mass no. and atmic no. if following arer emitted from nucleus of radioactive atom 1)negative beta particle 2).positive beta particle?.  | 
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| asked by Diksha. (diksha17) 9 years ago  |  
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What energy change occur in steam engine?  | 
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| asked by Diksha. (diksha17) 9 years ago  |  
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Why musical instruements such as sitar are provided with diffrent no.of and diffrent thickness of strings?(physics)  | 
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| asked by Diksha. (diksha17) 9 years ago  |  
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An electric bulb is rated at 250W,220V how long it will take to consume 1kwh of electrical energy?(plx shw d wrking)  | 
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| asked by Diksha. (diksha17) 9 years ago  |  
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At what frequency ac is supplied to residential house?  | 
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| asked by Diksha. (diksha17) 9 years ago  |  
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State what material is used to make the following and why?
A.electric heater element
B.Filament wire in an electric bulb  | 
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| asked by Diksha. (diksha17) 9 years ago  |  
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When does the ray of light falling on a lens pass through it undeviated?  | 
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| asked by Diksha. (diksha17) 9 years ago  |  
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on what effect of electricity does the fuse works?  | 
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| asked by Diksha. (diksha17) 9 years ago  |  
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A guitar string is set into vibrations in air Name the kind of vibrations is executed .What role does the surrounding medium affect the amplitude of these vibrations .  | 
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| asked by Bibekbir Khalsa (bibekbir) 9 years ago  |  
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A wire of uniform thickness with a resistance of 27 Ω is cut into three equal pieces and they are joined in parallel. Find the equivalent resistance of the parallel combination.  | 
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| asked by Eirina (peaceouteirina) 9 years ago  |  
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Which scientist studied the structure of DNA?  | 
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| asked by Agrim (alan1) 9 years ago  |  
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" Jab vinashkaal aata hai, toh buddhi bhrasht ho jaati hai" (chandragupt vikramaditya-Hindi)...What answer do we write if they ask us to explain this statement(with respect to the text) for 3 marks  | 
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| asked by Esha Volvoikar (eshav) 9 years ago  |  
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hi. Civics question,what is the difference between contingency fund and consolidated fund?  | 
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| asked by Amal (icseexam2016) 9 years ago  |  
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CAN SOMEONE SEND ME PICS OF UDAY KA KSAN POEM.URGENT!!!!!!!!
MAIL IS parthlimaye18@gmail.com  | 
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| asked by Death Eater (parth2018) 9 years ago  |  
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