UI Post UTME Physics Past Questions

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

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

Which of the following devices is odd in the list ?

Which of the following can be measured with a potentiometer:

Which if the following combinations consists of intrinsic properties of materials?

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

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

The basic difference between the galvanometer and the electric motor is

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

If a resistor is halved in magnitude and the potential across it is tripled, then the ratio of the old current to the new current is

If a charged body is moving in a circle on a horizontal plane, what is the general direction of the resulting magnetic field?

Complete the following statement: The electromotive force is

An electric heater converts 1KJ of electrical energy to heat energy every 2 second with 100% efficiency. The power produced is

An a.c voltage is connected to an RLC series circuit of resistance 5 \(\Omega\), inductance 3 mH and a capacitance of 0.05 \(\mu\)F. Calculate the resonance frequency.

A magnet cannot be demagnetized by

A conducting sphere has a net charge of -4.8 \(\times\) 10\(^{-17}\)C. What is the approximate number of excess electrons on the sphere if the fundamental natural charge is -1.6 \(\times\) 10\(^{-19}\)C?

A battery has an internal resistance of 4 \(\Omega\) and an emf of 12 V. The terminal voltage when a load of 20 \(\Omega\) is connected across it is:

A 0 - 10mA galvanometer with a coil resistance of 30 ohm can be converted to a 0 - 10A ammeter by using

1 farad is equivalent to:

1 2 3

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