Post Utme Physics Past Questions and Answers

Question 676:

Michael Faraday found that the EMF developed across a conductor is directly proportional to the ____________

A. Current applied
B. Voltage applied
C. Rate of change of magnetic flux
D. Rate of change of electric flux

Question 677:

Which of the following devices are used to measure pressure?
I. Aneroid barometer, II. hydrometer, III. hygrometer , IV. manometer

A. I and III
B. II and III
C. III and IV
D. I and IV

Question 678:

A piece of wood of mass 40g and uniform cross sectional area of 2cm² floats upright in water. The length of the wood increased is ____________

A. 8cm
B. 40cm
C. 20cm
D. 2cm

Question 679:

The pressure on the gas of a constant gas thermometer at the ice point is 325mm of mercury and at the steam point 875mm of mercury.
Find the temperature when the pressure of the gas is 190m of mercury

A. 30k
B. 243k
C. 300k
D. 303k

Question 680:

A column of air of 10cm long is trapped in a tube at 27^oC. what is the length of the column at 100^oC

A. 12.4cm
B. 13.7cm
C. 18.5cm
D. 37.0cm