Post Utme Physics Past Questions and Answers

Question 16:

Which if the following combinations consists of intrinsic properties of materials

A. Volume and density
B. Density and mass
C. Resistance and resistivity
D. Density and resistivity.

Question 17:

Which of the following can be measured with a potentiometer:

A. Emf of a secondary cell
B. Resistivity of a wire
C. Potential difference across a conductor
D. Resistance of a wire

Question 18:

Which of the following devices is odd in the list ?

A. Thermocouple
B. Potentiometer
C. D.c. generator
D. Solar cell

Question 19:

Which of the following is an essential physical property of the wires used for making fuses?

A. High thermal conductivity
B. Low density
C. Low melting point
D. Low electrical resistivity

Question 20:

A woman whose mass is \(70 \mathrm{~kg}\) sits \(2.4 \mathrm{~m}\) from the fulcrum of a seesaw. At what distance from the fulcrum should a \(60 \mathrm{~kg}\) man sit to balance the seesaw?

A. \(2.8 \mathrm{~m}\)
B. \(2.4 \mathrm{~m}\)
C. \(3.2 \mathrm{~m}\)
D. \(3.8 \mathrm{~m}\)