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Q:

When a piece of pure silicon is doped with aluminium, then

A) the conductivity of the doped silicon piece will remain the same B) the doped silicon piece will become n-type
C) the doped silicon piece will become p-type D) the resistivity of the doped silicon piece will increase
 
Answer & Explanation Answer: C) the doped silicon piece will become p-type

Explanation:

p type of semiconductor is obtained when Silicon is doped with a trivalent impurity like Aluminium. Aluminium is a p-type dopant, which means that when a semiconductor i.e. silicon is doped with aluminium, it creates a hole (positively charged carrier) by accepting an electron from the silicon atom. Electrical conductivity of semiconductors increasesand resistivity remains the same

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Hard Drive capacity is measured in

A) Newton B) GB
C) THz D) Gwallior
 
Answer & Explanation Answer: B) GB

Explanation:

Hard drive or disc is used to store the users information and its capacity is measured in Giga Bytes (GB) and Tera Bytes (TB).

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Filed Under: Computer
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Q:

How do we now Know the company founded as the Battlecreek Toasted Cornflake Company in 1906?

Answer

Kellogg's

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Subject: General Awareness

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Q:

Who is appointed as MD and CEO of IDBI Bank in April, 2017 ?

A) Kanungo B) Mahesh Kumar Jain
C) Ravi Chander D) None
 
Answer & Explanation Answer: B) Mahesh Kumar Jain

Explanation:

Mahesh Kumar Jain was appointed as MD and CEO of IDBI bank in April 2017.

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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

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Q:

Which among the following is an International river

A) Brahmaputra B) Cauvery
C) Krishna D) Narmada
 
Answer & Explanation Answer: A) Brahmaputra

Explanation:
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Filed Under: Indian Economy

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Q:

Bhutan’s national language is known as ___________.

 

A) Dzongkha B) Khengkha
C) Tshanglakha D) Lhotshamkha
 
Answer & Explanation Answer: A) Dzongkha

Explanation:
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Filed Under: Honours and Awards
Exam Prep: Bank Exams

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Q:

rlrgsmaorsi - Rearrange this word

A) Mobile screen B) Mirror glass
C) Ceiling fans D) None of the above
 
Answer & Explanation Answer: B) Mirror glass

Explanation:
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Filed Under: Word Puzzles
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Q:

Which company is now listed to be one of the world's most valuable privately held companies ?

A) Space X B) Tata Steels
C) Facebook D) Apple
 
Answer & Explanation Answer: A) Space X

Explanation:
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Filed Under: General Awareness
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