Question 1At what temperature will the Celsius scale coincide with the Fahrenheit scale?A.4°B.-273°C.100°D.-40°Objective Show full explanation
Question 2Which of these statements is correct about cathode rays. They are fast moving A.atomsB.neutronsC.electrons D.ionsObjective Show full explanation
Question 3The up thrust experienced by an object immersed in a fluid makes the object feelA.heavierB.lighterC.sink lowerD.none of the aboveObjective Show full explanation
Question 4Which of the following has the highest surface tension.A.soapy waterB.cold waterC.warm waterD.salt waterObjective Show full explanation
Question 5Which of these is not a consequence of hydrogen bubbles covering the upper place of a primary cell?A.polarization B.local actionC.generation of less current by the cellD.increase in the resistance of the cellObjective Show full explanation
Question 6What is the current in a circuit if the charge of 240coloumbs pass each point in 2 minutes?A.120AB.480AC.4AD.2AObjective Show full explanation
Question 7An electric in Nigeria has a number of 60w coloured bulb. How many can be connected to a 240v supply through a 5A fuseA.20B.48C.5D.4Objective Show full explanation
Question 8A radio station broadcasts on a frequency of 100MHz. if the speed of the radio wave is 3 × 108m/s, what is the wavelength of the radio wave from this station.A.3 × 108m/sB.3 × 103m/sC.300mD.3mObjective Show full explanation
Question 9If you need to clearly see an object that is at a very far distance, then you need to useA.periscope B.microscopeC.telescopeD.prism scopeObjective Show full explanation
Question 10Michael Faraday found the emf developed across a conductor is directly proportional to the A.current applied B.voltage appliedC.rate of change of magnetic fluxD.rate of change of electric fluxObjective Show full explanation