UI Physics 2015/2016 Past Questions

The angle between the earth's magnetic field and the horizontal is called angle of

The basic difference between the galvanometer and the electric motor is

The electromotive force is in such a direction as to oppose the motion or charge producing it. This is a statement of

The potential difference across the ends of a wire is doubled in magnitude. If Ohm's law is obeyed, one of the following statements concerning the resistance of the wire is true?

The process of adding impurity to a semiconductor to increase its conductivity is called

Which if the following combinations consists of intrinsic properties of materials

Which of the following can be measured with a potentiometer?

Which of the following devices is odd in the list ?

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

Which one of the following statements concerning the magnetic force on a charged particle in a magnetic field is true?

A boy is 2m tall and has a blood pressure density of $8 × 10^{2}kgm^{-3}$. Find the hydrostatic pressure difference between his head and his feet, assume acceleration due to gravity is $10ms^{-2}$

An object of mass 5.0kg and the balance is suspended vertically from the roof of a lift. What is the reading on the spring-balance when the lift is going down with an acceleration of $0.1ms^{-2}$

The correct dimensions of pressure and density are:

A vector V in the x-y plane has magnitude 8 units and makes an angle of 30° with the x-axis. What are the components of the vector along the x and y axis?

The position of an object moving along the x-axis has its position given by $x = 6t - t^{2} + 2t^{3}$ where x is in metres and t in seconds. Find the velocity for the time interval from t = 3s to t = 5s

Determine the gravitational acceleration on the surface of the moon if its mass is 1/32 of the mass of the earth and its radius is 1/4 that of the earth(take $m_{e}$ and $r_{e}$ as the mass and radius of the earth respectively)

A uniform horizontal 300-N beam, 5.0m long is suspended vertical from its two ends by a rope. If a 600-N person stands 1.50m from its left end, Find the tension in each of the rope

A car of mass 1.40 × $10^{3}$kg being towed has a net force of 4.5 × $10^{3}$kg applied to it. The car starts from rest and travels down a horizontal highway. Find the work done by the fore after it has travelled 100.0m(ignore kinetic energy loss caused by friction and air resistance)

The hockey puck is given an initial speed of 30.0m/s on a frozen pond. The puck remains on the ice and slide 200m before coming to rest. Determine the coefficient of kinetic fricton between puck and ice

A machine overcomes a resistance of 3000N when an effort of 150N is applied to it.Find the mechanical advantage of the system

The tensile stress on a wire is 2.5 × $10^{9}Nm^{-1}$, what is young modulus of the wire if the tensile strain is 0.05?

When water warms from 0°C to 4°C, it

The citizens of a new country proposed a new temperature scale called NTS scale. On the said scale, the ice and steam points of water have temperature -20°T and 50°T respectively. What will the room temperature of 30°C read on the NTS scale?

The original length of copper wire was 40m before its temperature was changed from 22%deg;C to 47°C. If the linear expansivity of copper is 1.6 × $10^{-5}C^{-1}$. Calculate the increase in the length of the copper wire.