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PYQ 1200 Q/A Part - 1
PYQ 1200 Q/A Part - 2
PYQ 1200 Q/A Part - 3
PYQ 1200 Q/A Part - 4
PYQ 1200 Q/A Part - 5
Kerala PSC General Science Book Study Materials Page 103
Book's First PageAns: (b) 264. The cell that can be recharged, after it has run down, by passing a direct current through it from a source of current is (a) Voltaic cell (b) Leclanche cell (c) Dry cell (d) An accumulator Ans: (d) 265. The device that is used to measure the electromotive force of a cell is (a) an ammeter (b) a rheostat (c) a voltmeter (d) a voltameter Ans: (c) 266. The SI unit of electric current is (a) the ampere (b) the volt (c) the ohm (d) the coulomb Ans: (a) 267. A rheostat is used (a) to increase the current flow in a circuit (b) to decrease the current flow (c) to measure the flow of electric current (d) Either (a) or (b) above Ans: (d) 268. Which of the following wires of same dimensions offers least resistance to the ,flow of current? (a) copper (b) aluminium (c) silver (d) nichrome 102