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1) Electricity flows through any a. material b. insulator c. conductor d. state of matter
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2) If you are the only conductor around, the electricity will flow through a. you b. me c. us d. insulator
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3) If a live wire comes in contact with the metal casing, the excess current will move to a. power house b. casing c. dynamo d. transformer
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4) Using a high current fuse in a low current appliance is very a. safe b. dangerous c. necessary d. complicated
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5) A sheet of pure copper is used as a. cathode b. anode c. positrode d. negatrode
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6) An analog ammeter has a. Digits b. Needle c. Roman numbers d. Arabic digits
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7) The measure of energy provided by a cell is known as a. voltage b. resistance c. current d. power
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8) Ions are charged particles. They are formed when an atom a. gains electrons b. loses electrons c. gains or loses electrons d. shares electrons
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9) In walk through gates a large coil of wire carries a. voltage b. magnet c. current d. electricity
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10) An example of use of electricity is a. heating b. flushing c. pasting d. brushing
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11) To and fro movement of coil makes the cone a. thin b. thick c. vibrate d. oscillate
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12) Circuit breakers work a. constantly b. only once c. when there is resistance d. when there is magnetic field
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13) The scientist who discovered relation between electricity and magnetic field was a. French b. Spanish c. Danish d. British
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14) In series, if one bulb goes out, others will a. stay on b. also turn off c. blow up d. heat up
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15) Protons have a. positive charge b. negative charge c. no charge d. double charge
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16) The flow of electrons in a wire is known as a. electric current b. magnetic current c. ionic current d. atomic current
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17) The inert gas in the bulb filament is a. neon b. argon c. xenon d. radon
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18) The magnet which is used in electric motors, is a. huge in size b. small in size c. mechanical d. rod shaped
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19) Simple circuits have a. single pin plug b. double pin plug c. triple pin plug d. massive pin plug
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20) When current is passed through sodium chloride solution, the ionic bonds a. split b. get strong c. join d. coagulate
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