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

Explanation:

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Filed Under: Physics
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Q:

Which law states that bad money drives good money out of circulation?

A) Wagner's law	B) Grimm's law
C) Gresham's law	D) Keynes' law

Answer & Explanation Answer: C) Gresham's law

Explanation:

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Filed Under: Indian Economy
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Q:

_________ says that the marginal product of a factor input initially rises with its employment level. But after reaching a certain level of employment, it starts falling.

A) Law of diminishing marginal product	B) Law of variable proportions
C) The Short Run	D) The Long Run

Answer & Explanation Answer: B) Law of variable proportions

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Q:

Which three processes are methods of genetic recombination?

A) independent assortment	B) Crossing over
C) fertilization	D) All the above

Answer & Explanation Answer: D) All the above

Explanation:

Genetic recombination is a complex process that involves alignment of two homologous DNA strands, precise breakage of each strand, equal exchange of DNA segments between the two strands, and sealing of the resultant recombined DNA molecules through the action of enzymes called ligases.

Crossing over, independent assortment and fertilization are methods of genetic recombination.

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Filed Under: Biology
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Q:

Bilateral monopoly situation is

A) when there are only two sellers of a product	B) when there are only two buyers of a product
C) when there is only one buyer and one seller of a product	D) when there are two buyers and two sellers of a product

Answer & Explanation Answer: C) when there is only one buyer and one seller of a product

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Q:

Which of the following is NOT a property of acids?

A) Acids form salts with bases	B) Acids have bitter taste
C) Acids have sour taste	D) Acids turn blue litmus red

Answer & Explanation Answer: B) Acids have bitter taste

Explanation:

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Filed Under: Chemistry
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Q:

The number of neutrons present in a nitrogen atom is ___.

A) 14	B) 7
C) 11	D) 5

Answer & Explanation Answer: B) 7

Explanation:

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Filed Under: Chemistry
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Q:

ITF Davis Cup is structured with a ___ nation World Group.

A) 8	B) 16
C) 20	D) 24

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