Q:

What is the relationship between Resistivity and Conductivity?

Answer

Resistivity :

Resistivity is a measure of the resistance to the flow of electrons.

Conductivity :

Conductivity is just the inverse of resistivity, σ = 1/ρ, where σ is conductivity and ρ is resistivity.

Example:

Think of a pipe and water, the bigger the pipe, the easier water can flow and thus the lower the resistance.

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Q:

Land is considered a resource because it

A) is used to produce things	B) requires labor to be useful
C) is always available to use	D) costs little or nothing to use

Answer & Explanation Answer: A) is used to produce things

Explanation:

Land is considered as an important resource because it is useful in producing many things. For example, in agriculture, land is used for cultivating the crop, in industrial use, it is used for constructing factories and to make products that we use.

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Q:

Which one of the following statements about the Deen Dayal Upadhyaya Grameen Kaushalya Yojana (DDU-GKY) is not correct?

A) It is a placement-linked skill training programme exclusively for rural girls.	B) It aims to convert India’s demographic surplus into a demographic dividend.
C) The scheme aims to benefit more thain 55 million poor rural folk.	D) It is a generational poverty alleviation programme.

Answer & Explanation Answer: A) It is a placement-linked skill training programme exclusively for rural girls.

Explanation:

The Ministry of Rural Development (MoRD) announced the Deen Dayal Upadhyaya Grameen Kaushalya Yojana (DDU-GKY) Antyodaya Diwas, on 25th September 2014. DDU-GKY is a part of the National Rural Livelihood Mission (NRLM), tasked with the dual objectives of adding diversity to the incomes of rural poor families and cater to the career aspirations of rural youth.

DDU-GKY is uniquely focused on rural youth between the ages of 15 and 35 years from poor families. Over 180 million or 69% of the country’s youth population between the ages of 18 and 34 years, live in its rural areas. Of these, the bottom of the pyramid youth from poor families with no or marginal employment number about 55 million.

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Q:

Which subatomic particle has no charge?

A) electron	B) neutron
C) proton	D) All of the above

Answer & Explanation Answer: B) neutron

Explanation:

An atom is composed of three subatomic particles. They are ::

1) Electron (-vely charged particle)

2) Proton (+vely charged particle)

3) Neutron (No charge particle)

Hence, Neutron is the subatomic particle which has no charge.

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Q:

The given sentences, when properly sequenced, form a coherent paragraph. Each sentence is labelled with a letter. Choose the most logical order of the sentences from among the five given choices to construct a coherent paragraph keeping 1 as the first statement.

1) For first-time Indian travellers, stepping out of the airport in Singapore or Japan is a momentous, potentially mindset-changing experience.

A) But walk in a cramped gully in Delhi or even on the main road and everything that is not desirable inside, finds its way outside.

B) Public littering is a social issue that results in massive aesthetic, financial and health- related costs for India. It’s not as if we don’t value cleanliness. Our homes are the textbook definition of clean.

C) How does that compare with our paan- stained buses filled with peanut shells?

D) How can bustling cities packed with people be so spotless? As far as the eye can go, there is not a single piece of stray paper on the road or in public transport.

A) BCAD	B) DCBA
C) DBCA	D) ADBC

Answer & Explanation Answer: B) DCBA

Explanation:

The correct sequence is DCBA.

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Q:

Cricket is the national game of which country?

A) Australia	B) India
C) Canada	D) Spain

Answer & Explanation Answer: A) Australia

Explanation:

Cricket is the national game of Australia.

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Q:

Oligopolistic industries are characterized by

A) a few dominant firms and no barriers to entry	B) a large number of firms and low entry barriers
C) a few dominant firms and substantial entry barriers	D) a few dominant firms and low entry barriers

Answer & Explanation Answer: C) a few dominant firms and substantial entry barriers

Explanation:

Oligopoly is market structure where a small number of large firms are there. Oligopolistic industries are characterized by a few dominant firms and substantial entry barriers.

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Q:

What is hard disk and what is its purpose?

Answer

Hard disk is the secondary storage device, which holds the data in bulk, and it holds the data on the magnetic medium of the disk.Hard disks have a hard platter that holds the magnetic medium, the magnetic medium can be easily erased and rewritten, and a typical desktop machine will have a hard disk with a capacity of between 10 and 40 gigabytes. Data is stored onto the disk in the form of files.

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