The ratio of output to input is called...? Mcqs

Latest MCQs

The ratio of output to input is called...?

(A) Energy
(B) Work

(C) Power
(D) Efficiency

Latest MCQs

The step-up transformer ______...?

(A) Increases the input current
(B) Increases the input voltage

(C) Has more turns in the primary
(D) Has less turns in the secondary coil

Latest MCQs

Which of the following is closest to a yard in length...?

(A) 0.01m
(B) 0.1m

(C) 1m
(D) 10m

Latest MCQs

Smoke is an solution of _________...?

(A) Solid in solid
(B) Solid in liquid

(C) Solid in gas
(D) Gas in gas

Latest MCQs

The most abundant element in sea water is...?

(A) Chlorine
(B) Sodium

(C) Sulfur
(D) Magnesium

Latest MCQs

Which instrument is used to measure the power of electric circuit ...?

(A) Wavemeter
(B) Viscometer

(C) Wattmeter
(D) None of these

Latest MCQs

Which of the following is used in beauty parlours for hair setting...?

(A) Silicon
(B) Chlorine

(C) Sulphur
(D) Phosphorus

Latest MCQs

Frederick Sanger is a twice recipient of the Nobel Prize for ________...?

(A) Physics in 1956 and 1972
(B) Chemistry in 1958 and 1980

(C) Physics in 1903 and Chemistry in 1911
(D) Chemistry in 1954 and Peace in 1962

Latest MCQs

What is unit of conductivity...?

(A) Ohm
(B) Watt

(C) mho
(D) None of these

Latest MCQs

Air pollution is caused by...?

(A) Solid
(B) Liquid

(C) Gases
(D) All of these

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