Transistors do not need a warm up period because they have no ...? Mcqs

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Transistors do not need a warm up period because they have no ...?

(A) Plate
(B) Grid

(C) Filament
(D) None of above

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The two elements that are frequently used for making transistors are :...?

(A) Boron and aluminium
(B) Silicon and Germanium

(C) Iridium and Tungston
(D) None of these

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In plants, which part transports sugar produced in the leaves to all parts of plants...?

(A) Phloem
(B) Xylem

(C) Stomata
(D) Roots

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Transistor is a device that convert weak signal into__________...?

(A) small signal
(B) strong signal

(C) both
(D) none

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