A device that opposes the flow of electrons in electronic circuits is called...? Mcqs

Latest MCQs

A device that opposes the flow of electrons in electronic circuits is called...?

(A) Transformer
(B) Diode

(C) Transistor
(D) Resistor

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A (an) ______ is a pure substance which contains only one type of molecule made up of atoms of more than one element....?

(A) Compound
(B) Element

(C) Molecule
(D) Atom

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In which of the following is/are chlorophyll is present...?

(A) Algae
(B) Bacteria

(C) Animals
(D) Plants

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The main constituent of hemoglobin is___________...?

(A) Chlorine
(B) Iron

(C) Calcium
(D) None of these

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The hormone that increases the rate of heart beat and blood pressure after shock in a person is___________...?

(A) Adrenalin
(B) Gastrin

(C) Thyroxin
(D) Pancreatic

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Numerical value of G is ______...?

(A) G = 6.673 10^-11 Nm^2 kg^-2
(B) G = 6.673 10^11 Nm^2 kg^-2

(C) G = 6.763 10^-11 Nm^2 kg^-2
(D) G = 6.763 10^11 Nm^2 kg^-2

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Bronze is an alloy of ____________...?

(A) Copper and Zinc
(B) Tin and Zinc

(C) Copper and Tin
(D) Iron and Zinc

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The flash of light from lightening travels at about ____...?

(A) 2 x 10^5 m/s
(B) 1 x 10^4 m/s

(C) 5 x 10^6 m/s
(D) 3 x 108 m/s

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The element common to all acids is:__________...?

(A) Hydrogen
(B) Carbon

(C) Sulphur
(D) Oxygen

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What type of a mirror is used in anti-shop-lifting-devices...?

(A) Convex mirror
(B) Concave mirror

(C) Plane mirror
(D) Both (b) and (c)

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