MCQ 11 Mark……………….. wire is used in the filament of the bulbs.ANichromeBCopper✓TungstenDNoneAnswerCorrect option: C. Tungsten TungstenView full question & answer→
MCQ 21 MarkA tiny particle which rotates around the nucleus of an atom is ………………..Aproton✓electronCneutronDboth a and bAnswerCorrect option: B. electronelectronView full question & answer→
MCQ 31 MarkLiquids that conduct electricity are the solutions of ………………..AacidsBbasesCsalts✓all of theseAnswerCorrect option: D. all of these all of theseView full question & answer→
MCQ 41 MarkFlow of per unit time is called current ………………..✓chargeBprotonCneutronDall of theseAnswerCorrect option: A. charge chargeView full question & answer→
MCQ 51 MarkThe terminal which is connected to a positive terminal of a battery is called ……………….✓anodeBcathodeCneutralDnoneAnswerCorrect option: A. anode anodeView full question & answer→
MCQ 61 MarkMost common industrial application of chemical effects of electric current is ………………..AAnodizing✓electroplatingCelectrolysisDnoneAnswerCorrect option: B. electroplatingelectroplatingView full question & answer→
MCQ 71 MarkAn electrolyte ……………….Ahas positive chargeBhas negative chargeCshould be able to conduct charge without dissociating.✓should be able to form positive and negative ions.AnswerCorrect option: D. should be able to form positive and negative ions. should be able to form positive and negative ionsView full question & answer→
MCQ 81 MarkAll metals are ………………..✓conductorsBinsulatorsCelectrolytesDnoneAnswerCorrect option: A. conductors conductorsView full question & answer→
MCQ 91 MarkThe material which does not allow electric current is called ………………..AsolutionBmetal✓insulatorDelectrolyteAnswerCorrect option: C. insulator insulatorView full question & answer→
MCQ 101 MarkThe materials which allows electric current to pass through it, is called ……………….✓conductorBinsulatorCboth a and bDnone of theseAnswerCorrect option: A. conductor conductorView full question & answer→
MCQ 111 MarkElectricity produced on rubbing is ……………….✓static electricityBcurrent electricityCelectromagnetDnoneAnswerCorrect option: A. static electricity static electricityView full question & answer→
MCQ 121 MarkLighting rods are made of ………………..✓copperBplasticCsand paperDwoodAnswerCorrect option: A. copper CopperView full question & answer→
MCQ 131 MarkBefore using electroscope, it should be ………………..AchargedBclosed✓dischargedDcleanedAnswerCorrect option: C. discharged dischargedView full question & answer→
MCQ 141 MarkThe value of charge of an electron is equal to ……………….A$6.04 \times 10^{-19} C$B$1.602 \times 10^{-18} C$✓$1.602 \times 10^{-19} C$D$6.10 \times 10^{-18} C$AnswerCorrect option: C. $1.602 \times 10^{-19} C$$1.602 \times 10^{-19} C$View full question & answer→
MCQ 151 MarkElectric charge is measured in ……………….Avolt✓coulombCampereDwattAnswerCorrect option: B. coulombcoulombView full question & answer→
MCQ 161 MarkElectric charge can be transferred from a charged object to another through ……………….Avacuum✓conductorCairDinsulatorAnswerCorrect option: B. conductorconductorView full question & answer→
MCQ 171 MarkLighting occurs due to ……………….ArainBhumidityCwind✓electric dischargeAnswerCorrect option: D. electric discharge electric dischargeView full question & answer→
MCQ 181 MarkThe method of charging an object by touching is called ………………AinductionBdiffusionCcurrent✓conductionAnswerCorrect option: D. conduction conductionView full question & answer→
MCQ 191 MarkA positively charged object will attract ……………… charged object.Apositively✓negativelyCboth a and bDnoneAnswerCorrect option: B. negativelynegativelyView full question & answer→
MCQ 201 MarkElectroplating is based on ……………… effect of electricity.Amagnetic✓chemicalCheatingDphysicalAnswerCorrect option: B. chemicalchemicalView full question & answer→
MCQ 211 MarkFuse isAa switchBa wire with low resistanceCa wire with high resistanceDa protective device for breaking an electric circuitAnswerA protective device for breaking an electric circuit.View full question & answer→
MCQ 221 MarkAn electroscope has been charged by induction with the help of charged glass rod. The charge on the electroscope isAnegativeBpositiveCboth positive and negativeDNone of the aboveAnswerPositiveView full question & answer→
MCQ 231 MarkWhich of the following a simple circuit must-have?AEnergy source, Battery, LoadBEnergy source, Wire, LoadCEnergy source, Wire, SwitchDBattery, Wire, SwitchAnswerBattery, Wire, SwitchView full question & answer→
MCQ 241 MarkThe electrification of two different bodies on rubbing is because of the transfer ofAneutronsBprotonsCelectronsDprotons and neutronsAnswerElectronsView full question & answer→
MCQ 251 MarkWhen an ebonite rod is rubbed with fur, the charge acquired by the fur isAnegativeBpositiveCpartly positive and partly negativeDNone of theseAnswerPositiveView full question & answer→