Question :

Rectifiers are used to convert


A) Direct current to Alternating current
B) Alternating current to Direct current
C) high voltage to low voltage
D) low voltage to high voltage

Answer : B

Description :



Related Questions - 1


The absorption of ink by blotting paper involves


A) viscosity of ink
B) capillary action phenomenon
C) diffusion of ink through the blotting
D) siphon action

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Related Questions - 2


Light from the Sun reaches us in nearly


A) 2 minutes
B) 4 minutes
C) 8 minutes
D) 16 minutes

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Siphon will fail to work if


A) the densities of the liquid in the two vessels are equal
B) the level of the liquid in the two vessels are at the same height
C) both its limbs are of unequal length
D) the temperature of the liquids in the two vessels are the same

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Pa(Pascal) is the unit for


A) thrust
B) pressure
C) frequency
D) conductivity

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out of the following, which is not emitted by radioactive substance?


A) Electrons
B) Electromagnetic radiations
C) Alpha particles
D) Neutrons

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