Post Utme Physics Past Questions and Answers

Question 1236:

The term "Viscosity" is used to describe ____________

A. Surface tension in fluids
B. Friction in fluids
C. Surface tension in solids
D. Moment in solids

Question 1237:

A particle is in equilibrium under the action of three forces. One force is \(40 N\) towards the west and another is \(30 N\) towards the south. What is the third force acting on the body?

A. \(40 N , N 53^{\circ} E\)
B. \(50 N , N 37^{\circ} E\)
C. \(50 N , N 53^{\circ} E\)
D. \(40 N , N 37^{\circ} E\)

Question 1238:

A hydraulic press works on the principle of transmission of ____________

A. Force
B. Energy
C. Volume
D. Pressure

Question 1239:

A cigarette lighter in a car is a resistor that when activated, is connected across the \(12- V\) battery. If the lighter dissipates \(33 W\) of power, find the current it delivers to the lighter

A. \(9.90 \Omega\)
B. \(6.60 \Omega\)
C. \(4.36 \Omega\)
D. \(17.50 \Omega\)

Question 1240:

\(A p - n\) junction can \(\operatorname{act}\) as ____________

A. An amplifier
B. A rectifier
C. An inductor
D. A capacitor