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Q:

What is the resistance (in Ω) of an electrical component if a current of 0.4 A passes through it on application of 12 V of potential difference across it?

 

A) 4.8 B) 60
C) 9.6 D) 30
 
Answer & Explanation Answer: D) 30

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Filed Under: Physics
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Q:

A source maintains a current I in a resistor of resistor of resistance R. If V is the potential difference across the resistor. The electrical energy dissipated in the resistor in time is given _____

 

A) VI2t B) V2It
C) IR2t D) VIt
 
Answer & Explanation Answer: D) VIt

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Q:

According to the Constitution, the ratio between the length and breadth of the national tricolor should be

A) 3 : 2 B) 3 : 1
C) 2 : 1 D) 4 : 3
 
Answer & Explanation Answer: A) 3 : 2

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Q:

Who among the following is the vice-chairman of NITI Aayog as of 2018?

A) Narendra Modi B) Ajit Tyagi
C) Rajiv Kumar D) Arving Panagariya
 
Answer & Explanation Answer: C) Rajiv Kumar

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Q:

Which layer of earth is liquid?

A) inner core B) outer mantle
C) outer core D) crust
 
Answer & Explanation Answer: C) outer core

Explanation:

 The crust and the inner core are solid, whereas the outer core and inner mantle are liquid. The outer mantle is semi solid.

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Filed Under: General Science
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Q:

Acacia arabica is the scientific name of

A) Neem B) Teak
C) Babhul D) Pomegranate
 
Answer & Explanation Answer: C) Babhul

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Filed Under: Biology
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Q:

Birth rate in a country is defined as

A) Number of births per 100 in 1 year B) Number of births per 1000 in 1 year
C) Number of births per km of area in 1 year D) Number of births per 100 km of area in 1 year
 
Answer & Explanation Answer: B) Number of births per 1000 in 1 year

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Filed Under: Indian Economy
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Q:

If tea companies start using mechanised tea leave pickers

A) more people would want to work as tea leave pickers B) unemployment of tea leave pickers will decrease
C) more tea will be produced per acre D) then wages for manual tea leave pickers will fall
 
Answer & Explanation Answer: D) then wages for manual tea leave pickers will fall

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