If output voltage is greater than input voltage, then transformer is :...? Mcqs

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If output voltage is greater than input voltage, then transformer is :...?

(A) Step up
(B) Step down

(C) Faulty
(D) None of These

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If an Opaque object is moved closer to the light source the shadow gets _______...?

(A) Smaller
(B) Very Smaller

(C) Bigger
(D) Older

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Vitamin E reduces the requirement of _________ ....?

(A) Iron
(B) Zinc

(C) Selenium
(D) Magnesium

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Remote sensing is the science of obtaining information about objects or areas on earth from space by using ____...?

(A) Satellite
(B) Radar

(C) Telescope
(D) Aircraft

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Deficiency of Vitamin-A results in __________...?

(A) Night blindness
(B) rickets

(C) scurvy
(D) hair fall

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Comets are made mostly of ice and dust. As comets get close to the sun, they start to “melt” and release what...?

(A) Steam and dust
(B) Gas and dust

(C) Steam, gas and dust
(D) None of the above

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Which planet in our solar system has the most gravity...?

(A) Jupiter
(B) Mercury

(C) Venus
(D) Neptune

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The speed of sound in air at sea level is approximately____________...?

(A) 300 meter per second
(B) 320 meter per second

(C) 340 meters per second
(D) 370 meter per second

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What inspired reflecting road lights to be invented...?

(A) Car door reflecting mirrors
(B) The light a cat’s eyes gave off on a fence

(C) Sun light on steel posts on road sides
(D) The sun light on the windshield

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The human brain uses__________ percent of the total oxygen and blood in the body...?

(A) 20
(B) 12

(C) 35
(D) 48

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