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


Pick out the scalar quantity


A) force
B) pressure
C) velocity
D) acceleration

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Related Questions - 2


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

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Related Questions - 3


Metals are good conductors of electricity because


A) they contain free electrons
B) the atoms are lightly packed
C) they have high melting point
D) All of the above

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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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It is more difficult to walk on a sandy road than on a concrete road because


A) sand is soft and concreter is hard
B) the friction between sand and feet is less than that between concrete and feet
C) the friction between sand and feet is more than that between concrete and feet
D) the sand is grainy but concrete is smooth

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