Questions

Q:

Calculate the current flowing through a resistor of 10 ohm when a potential difference of 140 v is applied across it.

A) 14 amp B) 140 amp
C) 1400 amp D) 1.4 amp
 
Answer & Explanation Answer: A) 14 amp

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Q:

Which of the following is used to detect current in a circuit?

A) Galvanometer B) Anemometer
C) Barometer D) Lactometer
 
Answer & Explanation Answer: A) Galvanometer

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Q:

Find the odd word/letters/number pair from the given alternatives.

A) BDFH B) ACEG
C) IKMO D) RTVW
 
Answer & Explanation Answer: D) RTVW

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Q:

Which country is the largest producer of Rice?

A) Brazil B) China
C) United States D) India
 
Answer & Explanation Answer: B) China

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Q:

The term 'Macro Economics' was used by __________

A) J.M. Keynes B) Ragner Frisch
C) Ragner Nurkse D) Prof. Knight
 
Answer & Explanation Answer: B) Ragner Frisch

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Q:

If the ___________ firm has zero costs or only has fixed cost, the quantity supplied in equilibrium is given by the point where the marginal revenue is zero.

A) Perfect Competition B) Monopoly
C) Oligopoly D) Monopolistic Competition
 
Answer & Explanation Answer: B) Monopoly

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Q:

Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic table?

A) Scandium B) Gallium
C) Titanium D) Germanium
 
Answer & Explanation Answer: B) Gallium

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Q:

Which process is not associated with mechanical weathering?

A) reactions with oxygen B) frost wedging
C) biological oxygen activity D) unloading
 
Answer & Explanation Answer: A) reactions with oxygen

Explanation:

The process that occurs when physical forces break rock into smaller pieces without changing the rock's chemical composition is called mechanical weathering.

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