2006
A lamp is rated 240V 60W, calculate the resistance of its filament
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2006 JAMB UTME Physics Past Questions
2006
If the relative density of gold is 19.2, the volume of 2.4kg of gold is?
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2006
At low humidity in an environment, the human skin is usually?
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2006
A uniform solid cube material 10cm on each side of mass 700g is submerged in water. which of the following best described the behavior of the cube water?
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2006
A drop of petrol makes a finger colder than a drop of water would because?
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2006
what is likely to happen if the glass of a thermometer expands more upon heating than the liquid inside?
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2006
The thermos flask is designed to?
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2006
An immersion heater rated 2.0A, 240V is used to boil water from temperature 52°c to 100°c. If the mass of the water is 2.5kg. determine the time taken to boil the water. [specific heat capacity of water = 4.2 x 103 jkg-1…
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2006
The thermometric property of a constant volume thermometer is?
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2006
If the capacitance of an capacitor is C = (εA)/d, which of the following parameters is varied when a variable capacitors is used for tuning radio sets?
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2006
An electric heater with a p.d of 240 V connected across its terminals has a total resistance of 960Ω. find the power rating of the heater.
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2006
The main purpose of the transformer in an a.c radio set is to?
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2006
The production and type of charge of a body can only be accounted for by the?
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2006
A cell of internal resistance r is connected to an external resistor R. The conductor for maximum power transfer is?
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2006
An ammeter of resistance 5Ω has a full-scale deflection when a current of 50 mA flows in it. The value of the resistor required to adapt it to measure a current of 5 A is?
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2006
When a certain a.c supply is connected to a lamp, it lights with the same brightness as it does with a 12 V d.c battery. Then r.m.s value of the a.c supply is?
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2006
During electrolysis, 2.0 g of a metal is deposited using a current of 0.5 A in 3 hours. The mass of the same metal which can be deposited using a current of 1.5 A in 1 hour is?
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2006
The electrolyte in the Nickei-iron (Nife) accumulator is
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2006
When an a.c. voltage is applied to a capacitor, no power is consumed because the current
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2006
The correct unit of energy density is?
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