Q:

In order to make an electromagnet you need a

A) Dry cell batteries	B) Thin coated copper wire
C) Iron nail	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

To create a simple electromagnet, you'll need a source of electricity, a conductor, and metal. Wrap insulated copper wire tightly around an iron screw or nail before connecting the wire to a battery, and watch as your new electromagnet picks up small metal objects.

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Q:

In spherical polar coordinates (l, q, a), q denotesthe polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by

A) Psinq sina	B) Psinq cosa
C) Pcosq sina	D) Pcosq cosa

Answer & Explanation Answer: A) Psinq sina

Explanation:

The Cartesian Coordinates can be retrieved from spherical coordinates (l,q,a) by:

X = r.sinq.cosa

Y = r.sinq.sina

Z = r.sinq

Using the same we get for P,

Y = P.sinq.sina

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Q:

when an atom loses an electron it becomes

A) neutron	B) negative ion
C) positive ion	D) none of the above

Answer & Explanation Answer: C) positive ion

Explanation:

If it loses an electron it becomes a positive ion

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Q:

Which state ranks 1st in highest alcohol consumption among kids?

A) Punjab	B) Uttar Pradesh
C) Telangana	D) Maharashtra

Answer & Explanation Answer: A) Punjab

Explanation:

Punjab state ranks 1st in highest alcohol consumption among kids.

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Q:

Which country is now the world's largest weapons importer?

A) Saudi Arabia	B) Iran
C) Pakistan	D) China

Answer & Explanation Answer: A) Saudi Arabia

Explanation:

The world's largest weapons importer is Saudi Arabia.

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Q:

Which country has recorded second highest COVID19 death toll in world after China?

A) Italy	B) Iran
C) India	D) Japan

Answer & Explanation Answer: A) Italy

Explanation:

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Q:

Pop music appeals to which type of audience?

A) A broad audience	B) North American-born individuals only
C) An old audience	D) A niche audience

Answer & Explanation Answer: A) A broad audience

Explanation:

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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Catnap

A) Rest	B) Fitful sleep
C) Long sleep	D) Short sleep

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