2004 JAMB UTME Physics Past Questions

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2004

Which of the following representations is correct for an atom X with 28 electrons and 30 neutrons?

2004

An a.c circuit of e.m.f 12V has a resistor of resistance 8Ω connected in series to an inductor of inductive reactance 16Ω and a capacitor capacitive reactance 10Ω. The current flow in the circuit is

2004

A radioisotope has a decay constant of 10-7s-1. The average life of the radioisotope is

2004

A generator manufacturing company was contracted to produce an a.c dynamo but inadvertently produced a d.c dynamo. To correct this error, the

2004

In a reverse biased junction diode, current flows in by

2004

The particle and wave nature of matter are demonstrated in the equation

2004

A moving coil galvanometer has a full-scale deflection of 3A equivalent to 30o deflection. The sensitivity of the instrument is

2004

X rays can be used in the study of crystal structure because they

2004

For semi conductor to have negative temperature coefficient of resistance implies that

2004

Which of the following is an electrolyte?

2004

The energy stored in an inductor of inductance 5mH when a current of 6A flows through it is

2004

Flourescent tubes produces light by the

2004

The mass defect of (\(^{4}_{2}\text{He}\)) is[atomic mass of proton = 1.00783U, atomic mass of neutron = 1.00867U]

2004

In a tuned radio receiver R, L, C series circuit for resonance, the inductive and capacitive reactance XL and XC respectively are related as

2004

Given three capacitors 0.3μF, 0.5μF and 0.2μF, the joint capacitance when arranged to give minimum capacitance is

2004

Electrical appliances at home are normally earthed so that

2004

If 16mA of current flows through a conductor in one second, the number of electron transported per seconds is [1 electronic charge = 1.6 x 10-19C]

2004

The instrument used for securing a large number of similar charges by induction is called

2004

A steady current of 2A flows in a coil of emf 12V for 0.4s. A back emf of 3V was induced during this period. The stored energy in the loop that can be utilized is

2004

A body of mass 4kg is acted on by a constant force of 12N for 3 seconds. The kinetic energy gained by the body at the end of the time is

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