*FOR JAMBITES* 1.Which of the following would you use to - TopicsExpress

*FOR JAMBITES* 1.Which of the following would you use to determine the weight of an object? A.Beam balance B.Chemical balance C.Spring balance D.Weight balance 2.A machine with a mass of 4kg fires a 45g bullet at a speed of 100m/s.Find the recoil speed of the machine gun A.1.1m/s B.2m/s C.3.5m/s D.0m/s 3.Given that the latent heat of fusion of ice is 80cal/g. How much heat will change 100g of ice at O¤C into water at the same temprature? A.8kcal B.8cal C.800cal D.8000kcal 4.which of the following is not applicable to an AC generator? A.Armature B.Commutator C.Field Magnet D. Slip rings 5. An electric heater which produce 90W of power is used to vaporize water. How much water at 100¤C can be change to steam in 3mins by the heater? [Heat of vaporization=2.26 X 10^6J/kgSpecific Heat capacity of water=4.2 X 10^3 J/kg.K]. A.0.0226kg B.0.275kg C.0.072kg D.0.167kg 6.In order to convert a Galvanometer to Voltmeter A.a low resistance shunt is connected in parallel B.a low resistance shunt is connected in series C.a high resistance multiplier is connected in series D.a high resistance multiplier is connected in parallel 7.A weight of 20N is hangs from a fixed point by a light intextensible string. It is pulled aside by a horizontal force with the string inclined by an angle of 30¤ to the vertical. The tension in the string is A.11N B.40N C.5N D.30N 8.A ball of mass 0.1kg moving with a horizontal velocity of 15m/s is shot into a wooden block of mass 0.4kg lying at rest on a smooth horizontal surface . Find their common velocity after impact. A.15.0m/s B.3.8m/s C.7.5m/s D. 3.0m/s 9.which of the following is a set of vector? A.Weight, displacement and moment B.Velocity, Volume and upthrust C.Density, capacitance and distance D.Mass, force and impulse 10.which of the following instruments is most suitable for maesuring the outside diameter of a narrow pipe in a few millimeters in diameter? A.Pair of callipers B.Metre rule C.Micrometre screw gauge D.Tape rule. #Best of luck....and dont forget to show workings for the calculated questions.

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