UNIPORT Physics 2017/2018 Model 3 Past Questions

The process through which free elections leave the surface of hot metals is known as

The electrolyte in the Nickel-iron (Nife) accumulator is

When an a.c. voltage is applied to a capacitor, no power is consumed because the current

An ammeter of resistance 50 has a full-scale deflection when a current of 50mA flows in it. The value of the resistor required to adapt it to measure a current of 5A is

Which of the following factors does not affect the electric resistance of a wire?

Which of the following phenomena supports the theory that waves have a particle nature?

A body of mass Mkg rests on a plane inclined at an angle θ to the horizontal. The component of the weight of the body parallel to the plane is

Refraction of light differs from reflection in that, in refraction:
I. at least two media are involved.
II. there is change in the direction of the ray.
III. the speed of the ray changes.
Which of the statement(s) is/are correct?

Which of the following factors will increase the sensitivity of a moving coil meter?

A nuclide represented as ${^70_32X}$ has a neutrons - proton ration of