Q:

Magnetic field lines about a current-carrying wire

A) circle the wire in closed loops	B) extend radially from the wire
C) both of these	D) None of the above

Answer & Explanation Answer: A) circle the wire in closed loops

Explanation:

Electric current produces a magnetic field. This magnetic field can be visualized as a pattern of circular field lines surrounding a wire.

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Q:

National Statistics day observed every year on

A) 20 October	B) 20 July
C) 29 June	D) 21 September

Answer & Explanation Answer: C) 29 June

Explanation:

National Statistics day is celebrated annually 29th June, on the occasion of Birth anniversary of India’s eminent statistician Late Prof Prasanta Chandra Mahalanobis.

It also commemorates the contributions made by PC Mahalanobis in the fields of statistics and economic planning.

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Filed Under: Important Days and Years
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Q:

What type of bird is on a Canadian $1 coin?

Answer

Common Loon

Workspace

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Subject: World Geography

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Q:

Which element is a member of the halogen family?

A) Chlorine	B) Bromine
C) Iodine	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

The halogens make up group 17 in the periodic table.

They are five elements:

Chlorine (Cl)

Fluorine (F)

Bromine (B)

Iodine (I)

Astatine (At).

But astatine is not purely halogen as it is radioactive.

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Q:

Which of these relationships is true of an uncharged atom?

A) The atomic mass is equal to the atomic number.	B) The number of electrons is equal to the number of neutrons.
C) The number of protons is equal to the number of electrons.	D) The atomic mass is equal to the number of electrons.

Answer & Explanation Answer: C) The number of protons is equal to the number of electrons.

Explanation:

The number of protons is equal to the number of electrons. That is the number of positive charges is equal to the number of negative charges.

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Q:

Who among the following economists gave the concept of "economies of scale". Which says "many goods and services can be produced more cheaply in long series"?

A) Edward C.Prescott	B) Amartya Sen
C) Gray S.Becker	D) Paul Krugman

Answer & Explanation Answer: D) Paul Krugman

Explanation:

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Filed Under: Verbal Reasoning - Mental Ability
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Q:

The 'P' in DPT stands for

A) Pulmonary	B) Pneumonia
C) Pneumothorax	D) Pertussis

Answer & Explanation Answer: D) Pertussis

Explanation:

DPT refers to a class of combination vaccines against three infectious diseases in humans: diphtheria, pertussis, and tetanus.

Pertussis refers to whooping cough.

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Filed Under: General Science
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Q:

_____ app launched by Google India for food delivery, home services.

A) Tero	B) Pero
C) Oreo	D) Areo

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