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Q:

A source maintains a current I in a resistor of resistor of resistance R. If V is the potential difference across the resistor. The electrical energy dissipated in the resistor in time is given _____

 

A) VI2t B) V2It
C) IR2t D) VIt
 
Answer & Explanation Answer: D) VIt

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Filed Under: Physics
Exam Prep: Bank Exams

Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

Delhi had been captured, ransacked and rebuilt several (1)/ times and modern Delhi is a cluster of a number (2)/ of cities spread across the metropolitan region. (3)/No error (4)

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

Q:

What is the resistance (in Ω) of an electrical component if a current of 0.4 A passes through it on application of 12 V of potential difference across it?

 

A) 4.8 B) 60
C) 9.6 D) 30
 
Answer & Explanation Answer: D) 30

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Filed Under: Physics
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Q:

Given in the options are sets of particular characteristics of elements and how they vary across the period and down the group in the following format:

 

Characteristic of an element  -  Across the period  -  Down the group

 

 

A) Electropositive Character/metallic character - Increase - Decrease B) Electropositive Character/metallic character - Increase - Increase
C) Electropositive Character/metallic character - Decrease - Increase D) Electropositive Character/metallic character - Decrease - Decrease
 
Answer & Explanation Answer: C) Electropositive Character/metallic character - Decrease - Increase

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Filed Under: Chemistry
Exam Prep: Bank Exams

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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Filed Under: Physics
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Q:

Find the work done (in J) when a charge of 20 C moves across a potential difference of 4 V.

 

 

A) 5 B) 40
C) 80 D) 10
 
Answer & Explanation Answer: C) 80

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Filed Under: Physics
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Q:

The United Nations (UN)'s World Television Day is observed across the globe on which day?

A) November 19 B) November 20
C) November 18 D) November 21
 
Answer & Explanation Answer: D) November 21

Explanation:

The United Nations (UN)'s World Television Day is observed across the globe on November 21 to recognize the increasing impacts of television on decision making and to focus on the issues like economic and social issues.

 

 

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Filed Under: Important Days and Years
Exam Prep: Bank Exams

Q:

What will be the resistance of a wire across which, when 2V potential difference is applied, 1A current flows through the wire?

A) 2 ohms B) 0.02 ohms
C) 0.5 ohms D) 20 ohms
 
Answer & Explanation Answer: A) 2 ohms

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Filed Under: Physics
Exam Prep: Bank Exams