Three 3 Ω resistors connected in parallel have a potential difference of 24 V applied across the combination. What is the currentin each resistor?
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FUTA Post UTME Physics Past Questions
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Two lamps rated 60 W and 240 V each are connected i series. What is the total power dissipated in both?
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The amount of heat that is required to raise the temperature of unit mass of a substance one degree Celsius is called
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A steel bar has a width of 10 cm at 50ºC At what temperature will it fit exactly into a hole of constant width 10.005 cm if coefficient of linear expansion of steel is 11x10-6 C-1 ?
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A gas at pressure P1 \(N/m^{2}\) and temperature 30ºC is heated to 61ºC at constant volume. Find its new pressure.
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Which of the following properties are not those of a suitable thermometric liquid?I. It should be a good conductor of heatII. It should be opaqueIII Its expansion should be regularIV. It should wet glassV It should have…
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Given that the latent heat of fusion of ice is 80 cal/g, how much heat will change 100 g of ice at 0º C into water at the same temperature?
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When some grains of table salt were put in a cup of cold water, kept at constant temperature, and left undisturbed, all the water tasted salty after some time. This is due to
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The following statements were made by some students describing what happened during and experiment to determine the melting point of solids i. The temperature of the solid was constant until melting started.ii. The temp…
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A solid suspended by a piece of string is completely immersed in water. On attempting to lift the solid out of the water, the string breaks when the solid is partly out of the water. This is because
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The force that causes an object to move in a circular path is called
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Which of the following would you use to determine the weight of an object?
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Which of the following statements describes what happened when an ice block that floats in a glass of water that is filled to the brim melts?
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The speed of an air force jet was 400 m/s when it flew past an anti-aircraft gun. Calculate its distance from the gun 4 s later when the gun was fired.
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How long does it take a 800 W heater to raise the temperature of 2 kg of water from 20 ºC to 60 ºC? (specific heat capacity of water = 4200 J/kg.K)
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A constant volume gas thermometer records a pressure of 240 mm Hg at 0 ºC and 300 mm Hg at 100 ºC Calculate the new temperature when the gas pressure is 270 mm of Hg
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Calculate the heat energy required to vapourise 50 g of water initially at 80°C if the specific heat capacity of water is 4.2 J/g.K. (Specific latent heat of vapourisation of water is 2260 J/g)
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At what temperature will the volume of a given ideal gas be three times its volume at 0 ºC?
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A body of mass 200 g and specific heat capacity 0.4 J/g.K cools from 37 ºC to 31 ºC. Calculate the quantity of heat released by the body.
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A body of mass 2 kg, moving with velocity 5 m/s collides with stationary body of mass 0.5 kg if the two bodies move together after impact , calculate their common velocity.
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