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Q:

In the electrical circuit of a house, the fuse acts as

A) a load B) a thermopile
C) a safety device D) a step down device
 
Answer & Explanation Answer: C) a safety device

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Filed Under: Physics

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Q:

What device converts light energy to electrical energy?

A) Photodiode B) Photovoltaic cell
C) Thermocouple D) Heliostats
 
Answer & Explanation Answer: B) Photovoltaic cell

Explanation:

what_device_converts_light_energy_to_electrical_energy1555397376.png image

 

A device which is used to convert light energy directly into electrical energy is called as photovoltaic cell or a solar cell.

 

Heliostats convert light energy into heat energy.

 

A thermocouple is a device for measuring temperature.

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Filed Under: Physics
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Q:

The most imposing of all the pyramids is the Great Pyramid at Gizeh near Cairo, was built about 2650 B.C by the ____ of the Old kingdom.

A) Pharaoh Cheops (Khufu) B) King Tutankhamen
C) Hammunrabi D) None of these
 
Answer & Explanation Answer: A) Pharaoh Cheops (Khufu)

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Filed Under: World History

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Q:

Of the following, which did not influence the fathers of Indian constitution? The Constitution of 

A) The USA B) The USSR
C) Canada D) Ireland
 
Answer & Explanation Answer: B) The USSR

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Filed Under: Indian History

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Q:

Who invented Fountain Pen?

A) Sir Frank Whittle B) John J. Loud
C) Kirkpatrick Macmillan D) Lewis E. Waterman
 
Answer & Explanation Answer: D) Lewis E. Waterman

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Filed Under: Inventions

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Q:

Internet was started in India on ?

A) 8 August,1994 B) 15 August,1995
C) 9 August,1995 D) 7 August,1996
 
Answer & Explanation Answer: B) 15 August,1995

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Filed Under: Indian History
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Q:

Who amongst the following is the author of the book ' Freedom from Fear '

A) Nelson Mandela B) Aung San Suukyi
C) Taslima Nasreen D) Benazir Bhutto
 
Answer & Explanation Answer: B) Aung San Suukyi

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Filed Under: Books and Authors

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Q:

The term protoplasm was coined by

A) Hugo von Mohl B) J. E. Purkinje
C) Oken D) Kolliker
 
Answer & Explanation Answer: B) J. E. Purkinje

Explanation:

Protoplasm is the living content of a cell that is surrounded by a plasma membrane.

J.E_._Purkinje_1533211732.jpg image

J. E. Purkinje in the year 1839 coined the term 'protoplasm' for the fluid substance of the cell.

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Filed Under: General Science
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