Exams Questions and Answers

Q:

Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes

A) 2R	B) R/2
C) 5R/4	D) 3R/4

Answer & Explanation Answer: C) 5R/4

Explanation:

So, resistance of Wire 2 is R/4 as radius is half of wire 1, so area would be 4 times of wire 1.

Now for resistance in series. R= R1 + R2.

Therefore, Final R= R + R/4 = 5R/4

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

The dog killed the cat.

A) The cat is killed by the dog.	B) The cat got kill by the dog.
C) The dog was responsible for killing the cat.	D) The cat was killed by the dog.

Answer & Explanation Answer: D) The cat was killed by the dog.

Explanation:

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Filed Under: English
Exam Prep: Bank Exams
Job Role: Bank Clerk

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Q:

DNA is a long chain made of repeating units called aminoacids.

A) TRUE

B) FALSE

Answer & Explanation Answer: B) FALSE

Explanation:

The repeating units that are used to form the helical DNA structure are called nucleotides.

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Subject: General Science
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Backup means

A) Protecting data by copying it from the original source to a different destination	B) Accessing data on tape
C) Filtering old data from the new data	D) Adding more components to your network

Answer & Explanation Answer: A) Protecting data by copying it from the original source to a different destination

Explanation:

Protecting data by copying it from the original source to a different destination is called as Backup. When an original data is lossed, to restore the information by copying the data from the source to other destination is called as Backup or Data backup.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Select the related word from the given alternatives.
Car : Steering wheel :: Motorcycle : ?

A) Tyre	B) Headlight
C) Engine	D) Handle bar

Answer & Explanation Answer: D) Handle bar

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

Which statement best describes the electronegativity of an element?

A) Electronegativity of an atom is it's ability to produce energy while losing an electron.	B) Electronegativity of an atom is it's ability to attract electrons during bond formation.
C) Electronegativity of an atom is it's ability to lose electrons during cation formation.	D) Electronegativity of an atom is it's ability to share electrons during a covalent bond formation.

Answer & Explanation Answer: B) Electronegativity of an atom is it's ability to attract electrons during bond formation.

Explanation:

Electronegativity, is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself.

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

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Q:

Whose teachings did the pilgrims follow?

Answer

The pilgrims follow John Calvin's teachings.

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Subject: Indian Culture Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

If THOUGHT is coded as THGUOHT then THROAT will be coded as

A) TAROHT	B) TAORTH
C) TAROHH	D) TAORHT

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