MCQ 11 MarkTo prevent electric shocks, the metallic electrical wires are covered withApaperBcottonC aluminium✓plasticAnswerCorrect option: D. plasticView full question & answer→
MCQ 21 MarkHow many terminals are there in a dry cell?AOne✓TwoCThreeDFourAnswerCorrect option: B. TwoView full question & answer→
MCQ 31 MarkAn example of a conductor isAtap waterB salt solutionC metal wire✓all of theseAnswerCorrect option: D. all of theseView full question & answer→
MCQ 41 MarkWhich is an example of an insulator✓bakeliteBaluminiumCtap waterDAll of theseAnswerCorrect option: A. bakeliteView full question & answer→
MCQ 51 MarkA substance which allows electricity to pass through it is called✓a conductorBan insulatorC semiconductorD superconductorAnswerCorrect option: A. a conductorView full question & answer→
MCQ 61 MarkA battery isAa single cell✓a combination of cells in which cells are joined $(+)$ to $(-)$Ca combination of cells in which cells are joined $(+)$ to $(+)$DNone of theseAnswerCorrect option: B. a combination of cells in which cells are joined $(+)$ to $(-)$View full question & answer→
MCQ 71 MarkBulb glows only in✓closed circuitBopen circuitC in both circuitsD open circuit if bulb is not fusedAnswerCorrect option: A. closed circuitView full question & answer→
MCQ 81 MarkFilament of a bulb is made up ofAaluminiumBchromiumCplatinum✓tungstenAnswerCorrect option: D. tungstenView full question & answer→
MCQ 91 MarkA bulb has✓two terminals and one filamentBtwo terminals and one filamentCmultiple terminals and single filamentDsingle terminal and single filamentAnswerCorrect option: A. two terminals and one filamentView full question & answer→
MCQ 101 MarkCell is a device which✓converts chemical energy into electrical energyBelectrical energy into light energyCelectrical energy into magnetic energyDnone of theseAnswerCorrect option: A. converts chemical energy into electrical energyView full question & answer→