1996
A wire of length 100cm and cross-sectional area of 2.0 x 10-3cm2 has a resistance of 0.10 Ω. Calculate its electrical conductivity.
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1996 WAEC SSCE Physics Past Questions
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1996
The diagram above illustrates the conversion of a galvanometer of resistance 2Ω to an ammeter. The galvanometer gives a full-scale deflection for a current of 10mA. Calculate the value of R.
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1996
ln the diagram above, the resistor has a resistance 8 Ω while the reactances of the inductor and the capacitor are 10 Ω and 16 Ω respectively Calculate the current in the circuit
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1996
Calculate the amount of heat generated in an external load of resistance 89 if an alternating current of peak value 5A is passed through for 100s.
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1996
The electric potential at point P in the diagram above can be expressed as
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1996
The diagram above illustrates an isolated metal sphere carrying charge W in a medium whose permittivity is so. The magnitude of the electric field intensity at P can be expressed as
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1996
Which of the following is not part of the electromagnetic spectrum?
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1996
Which of the following substances is most viscous at room temperature?
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1996
What is the decay constant of a radioactive element whose half-life is 3 seconds
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1996
The count rate of an alpha-particle source is 400 per minute. If the half-life of the source is 5 days, what would be the count rate per minute after 15 days?
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1996
Which of the following particles/rays do not originate from the nucleus of an atom?
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1996
(a) Explain the following terms:(i) viscosity;(ii) terminal velocity.(b)(i) Describe an experiment to determine the terminal velocity of a steel ball falling through a jar of glycerine..(ii) State two precautions that sh…
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1996
(a) Explain what is meant by the statement: The capacitance of a parallel-plate capacitor is 2\(\mu\)F(b) State: (i) three factors on which its capacitance depends(ii) three uses of capacitors.(c) Derive a formula for th…
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1996
(a) What is meant by dispersion of white light?(b) State the colours in the spectrum of white light in ascending order of their wavelengths(c) Which colour is deviated.(i) least(ii) most?(d) Explain why white light is di…
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1996
(a) Define the apparent cubic expansivity of a liquid(b)(i) Describe with the aid of a labelled diagram, an experiment to determine the apparent cubic expansivity of a liquid.(ii) State two precuations that should be tak…
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