Questions

Q:

Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be

A) P B) 3P
C) p/3 D) 2p/ 3
 
Answer & Explanation Answer: B) 3P

Explanation:

P= I^2.R where, I= Current, P= Electric Power, R=Resistance. Here all the resistance is put in parallel combination and in parallel combination the value of Resistance decreases and dissipation of power increase, hence 3 times more power will be dissipated(3P).

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Filed Under: Physics
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Q:

An increase in the quantity demanded means that

A) The demand curve shifted to right B) Price of the product has declined
C) Increase in consumer income D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:
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Q:

Relationships among people are

A) not influenced by people's ideas and attitudes. B) something that must be maintained to stay healthy and strong.
C) one of two types—social or working. D) usually simple and easy to understand.
 
Answer & Explanation Answer: B) something that must be maintained to stay healthy and strong.

Explanation:

Relationships among people are to be maintained in such a way that the people must stay healthy and to become strong enough.

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Q:

Which area best lends itself to the formation of fossils?

which_area_best_lends_itself_to_the_formation_of_fossils1538734185.jpg image

A) near active volcano B) lake beds
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Area near active volcano or lake beds are best areas that lends itself to the formation of fossils.

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Filed Under: General Science
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Q:

Yakshagana, a dance drama is popular in

A) Karnataka B) Tamil Nadu
C) Kerala D) Andhra Pradesh
 
Answer & Explanation Answer: A) Karnataka

Explanation:

Yakshagana is a traditional Indian dance drama form developed in Karnataka state of India.

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Q:

Which country has been ranked number one in pollution related deaths ?

A) Australia B) Indonesia
C) India D) Japan
 
Answer & Explanation Answer: C) India

Explanation:
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Q:

The oldest news agency in the world is

A) Associated Press B) Agence France-Presse
C) Reuters D) None of the above
 
Answer & Explanation Answer: A) Associated Press

Explanation:

Associated Press (AP) is world's oldest news agency followed by Reuters and Agence France - Presse.

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Q:

Which parts of the heart receive blood from the lungs?

A) Right ventricle B) Left Atrium
C) Left Ventricle D) Right ATrium
 
Answer & Explanation Answer: B) Left Atrium

Explanation:

The left atrium is the upper left chamber of the heart that receives blood from the pulmonary veins.

 

which_parts_of_the_heart_receive_blood_from_the_lungs1561113684.jpg image

 

The heart is responsible for circulating blood throughout the body. The heart is divided into four chambers. The upper chamber is known as the atrium while the lower chamber is referred to as the ventricle.

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Filed Under: Biology
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