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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:

The first feature film produced in India was

A) Hatimtai B) Alamm Ara
C) Pundalik D) Raja Harishchandra
 
Answer & Explanation Answer: B) Alamm Ara

Explanation:
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Filed Under: Books and Authors

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Q:

STUFF and REPLACE are used to replace characters in a string

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

They both are used to replace characters in a string

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Subject: Oracle Certification
Job Role: Database Administration

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Q:

The total number of judges of the International Court of Justice is

A) 10 B) 12
C) 15 D) 18
 
Answer & Explanation Answer: C) 15

Explanation:
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Filed Under: World Organisations

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Q:

Who was the revolutionary leader who ended his days as a Swami of Ramakrishna Mission ?

A) Ajit Singh B) Aurobindo Ghosh
C) Jatindranath Bandopadhyay D) Hemachandra Kanungo
 
Answer & Explanation Answer: C) Jatindranath Bandopadhyay

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Filed Under: Famous Personalities
Exam Prep: Bank Exams

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Q:

Standing on your toes as in ballet, is an example of

A) plantar extension B) plantar flexion
C) adduction D) dorsiflexion
 
Answer & Explanation Answer: B) plantar flexion

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

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Q:

Which of the following States has Shown highest decadal growth of population during 1991-2001

A) Manipur B) Meghalaya
C) Nagaland D) Sikkim
 
Answer & Explanation Answer: C) Nagaland

Explanation:
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Filed Under: Indian Economy

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Q:

Which indian state banned the forceful religious conversions

Answer

Tamil Nadu

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Subject: Indian Culture

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