1000+ TNPSC VAO Study Material in Tamil and English 2023-2024 Pdf - 1

Question: 1

A typical example of a semiconductor is

(A) mica

(B) quartz

(C) platinum

(D) germanium

Ans: D

germanium

Question: 2

Curie is the unit of

(A) energy

(B) heat

(C) radio-activity

(D) temperature

Ans: C

radio-activity

Question: 3

Dynamic lift is related to

(A) pascal’s law

(B) equation of continuity

(C) archimedes principle

(D) bernoulli’s theorem

Ans: D

bernoulli’s theorem

Question: 4

The resistance of a pn junction in forward bias is

(A) infinite

(B) high

(C) low

(D) zero

Ans: C

low

Question: 5

A digital signal

(A) is more reliable than analog signal

(B) is less reliable than analog signal

(C) is equally reliable as the analog signal

(D) none of the above

Ans: A

is more reliable than analog signal

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