Post Utme Physics Past Questions and Answers

Question 851:

The principle operation of an induction coil is based on ____________

A. Ohm's law
B. Ampere's law
C. Faraday's law
D. Coulomb's law

Question 852:

In a certain fusion reaction, a deuteron \(\left({ }_{1}^{2} H \right)\) interacts with a triton \(\left({ }_{1}^{3} H \right)\) and produces an \(\alpha\)-particle \(\left({ }_{2}^{4} \mathrm{He} \right)\) and a second product. The second product is ____________

A. A proton
B. An electron
C. A neutron
D. A gamma ray

Question 853:

A string of length \(4 \mathrm{~m}\) is extended by \(0.02 \mathrm{~m}\) when a load of \(04 \mathrm{~kg}\) is suspended at its end. What will be the length of the string when the applied force is \(15 \mathrm{~N}\) ?
(Take \(\mathrm{g}=10 \mathrm{~ms}^{-2}\) )

A. \(5.05 \mathrm{~m}\)
B. \(6.08 \mathrm{~m}\)
C. \(4.05 \mathrm{~m}\)
D. \(4.08 \mathrm{~m}\)

Question 854:

Which of the following sets are vectors?

A. Acceleration, Velocity and moment
B. Mass, Force and Momentum
C. Force, Power-and Density
D. Energy, Current and Volume

Question 855:

If the pressure on \(100 \mathrm{~cm}^{3}\) of an ideal is doubled while its Kelvin temperature is halved, then the new volume of the gas becomes ____________

A. \(25 \mathrm{~cm}^{3}\)
B. \(10.02 \mathrm{~cm}^{3}\)
C. \(10.02 \mathrm{~cm}^{3}\)
D. \(10.02 \mathrm{~cm}^{3}\)