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Q:

A wire of copper having length I and area of cross-section A is taken and a current / is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be

A) P B) < P
C) > P D) 2P
 
Answer & Explanation Answer: C) > P

Explanation:

Aluminum has a resistivity varying from 2.65 to 2.82 × 10−8 Ω m.The resistivity of copper is generally given as: 1.72 x 10-8 Ω.m.So, since resistivity of aluminium is higher than that of copper, so Power dissipated will be greater than P. this is because rest of the factors (l, A and i) are constant.

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

As an infant, the ability to produce antibodies is

A) about 80% of that of an adult B) nonexistent
C) limited D) the same as an adult
 
Answer & Explanation Answer: C) limited

Explanation:

As an infant, the ability to produce antibodies is limited.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Run out of steam

A) Lose impetus or enthusiasm.   B) To keep going even after losing all energy.
C) Have no more funds to proceed any further D) Build interest as you go along
 
Answer & Explanation Answer: A) Lose impetus or enthusiasm.  

Explanation:
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Filed Under: English
Exam Prep: CAT , GRE , TOEFL
Job Role: Bank Clerk , Bank PO

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Q:

Which country has decided to venture into Internet of things with new satellite system 'Marathon'?

A) China B) Russia
C) India D) Japan
 
Answer & Explanation Answer: B) Russia

Explanation:

Russia has decided to venture into Internet of things with new satellite system 'Marathon'.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Select the related word from the given alternatives.

Lion : Lioness :: Bull : ?

A) Animal B) Cow
C) Calf D) Dog
 
Answer & Explanation Answer: B) Cow

Explanation:
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Filed Under: Verbal Reasoning - Logical Deduction
Exam Prep: Bank Exams

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Q:

Who is the the author and composer of the National Anthem (Jana Gana Mana) of India?

A) Rabindranath Tagore B) Bankim Chandra Chatterjee
C) Muhammad Iqbal D) Ram Singh Thakur
 
Answer & Explanation Answer: A) Rabindranath Tagore

Explanation:
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Filed Under: Indian History
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Q:

Name the poet who wrote "Prithviraj Raso", a poem describing Prithviraj Chauhan's life.

A) Vir Siroja B) Chand Bardai
C) Meerja Umed D) Nur Fateh
 
Answer & Explanation Answer: B) Chand Bardai

Explanation:
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Filed Under: Books and Authors
Exam Prep: Bank Exams , CAT

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Q:

The cotton gin was an important invention because

Answer

Cotton Gin was invented by Eli Whitney in 1793, which is used to separate cotton seeds from cotton fiber.


 


Hence, it was an important invention because it dramatically reduced the amount of time it took to separate cotton seeds from cotton fiber.

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Subject: Inventions Exam Prep: AIEEE , Bank Exams
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