MCQ Class 10 Science Chapter 11 Electricity Advertisement MCQ’s For All Chapters – Science Class 10th 1. The SI unit of electric charge is –AmpereVoltCoulombOhmQuestion 1 of 202. One coulomb of charge is equal to approximately –6 × 10¹⁶ electrons6 × 10¹⁷ electrons6 × 10¹⁸ electrons6 × 10¹⁹ electronsQuestion 2 of 203. The charge of an electron is –1.6 × 10⁻¹⁹ C1.6 × 10⁻¹⁸ C1.6 × 10⁻¹⁷ C1.6 × 10⁻²⁰ CQuestion 3 of 204. The SI unit of electric current is –VoltOhmAmpereWattQuestion 4 of 205. 1 A of current is defined as –1 J per second1 C per second1 V per second1 W per secondQuestion 5 of 206. An ammeter is always connected in –ParallelSeriesAcross batteryAcross resistorQuestion 6 of 207. The direction of conventional current is –Same as electron flowOpposite to electron flowRandomAlong the electric field onlyQuestion 7 of 208. The unit of potential difference is –AmpereCoulombWattVoltQuestion 8 of 209. One volt is equal to –1 J/C1 C/J1 A/C1 C/AQuestion 9 of 2010. A voltmeter is always connected –In seriesIn parallelIn series-parallelAcross ammeterQuestion 10 of 2011. Ohm’s law states that –V ∝ 1/IV ∝ II ∝ RR ∝ V²Question 11 of 2012. The SI unit of resistance is –OhmWattCoulombJouleQuestion 12 of 2013. 1 ohm is equal to –1 V/A1 A/V1 W/A1 C/VQuestion 13 of 2014. The relation between current, potential difference, and resistance is –I = V/RV = R/IR = 1/VIP = VIQuestion 14 of 2015. The device used to regulate current without changing voltage source is –VoltmeterRheostatAmmeterFuseQuestion 15 of 2016. Resistance of a conductor is directly proportional to its –AreaSquare of diameterLengthResistivity onlyQuestion 16 of 2017. Resistance of a conductor is inversely proportional to its –LengthArea of cross-sectionVolumeCurrentQuestion 17 of 2018. The SI unit of resistivity is –Ohm metreOhm/cmOhm/ampereOhm/voltQuestion 18 of 2019. A good conductor has –High resistivityLow resistivityZero resistivityNegative resistivityQuestion 19 of 2020. Insulators have resistivity of the order of –10⁻⁸ Ω m10⁻² Ω m10¹² – 10¹⁷ Ω m10⁻⁶ Ω mQuestion 20 of 20 Loading...
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