MCQ Chapter 8 General Science Class 7 Maharashtra Board MCQ For All Chapters – General Science Class 7Static Electricity 1. What happens when a plastic comb rubbed on dry hair is brought near pieces of paper? The paper pieces repel The paper pieces attract The paper pieces remain still The paper pieces sparkQuestion 1 of 202. Why does a polyester curtain get attracted to us when we pass near it repeatedly? Due to heat generation Due to electric charge buildup Due to magnetic force Due to air pressureQuestion 2 of 203. What causes a spark when a rubbed blanket is brought near a metal object in the dark? Friction Electric charge discharge Light energy Sound wavesQuestion 3 of 204. What is electric charge an intrinsic property of? Large objects Tiny particles in substances Air molecules Metal surfacesQuestion 4 of 205. An object with balanced positive and negative charges is called: Charged Neutral Positive NegativeQuestion 5 of 206. What happens when two glass rods rubbed with silk are brought near each other? They attract They repel They stay neutral They sparkQuestion 6 of 207. What occurs when a charged glass rod and a charged plastic rod are brought close? Repulsion Attraction No effect DischargeQuestion 7 of 208. Who named the electric charges as positive and negative? Thales Thomas Browne Benjamin Franklin William FranklinQuestion 8 of 209. What contains both stationary positive and moving negative charges? Molecules Atoms Ions CrystalsQuestion 9 of 2010. How does an object become negatively charged during rubbing? It loses positive particles It gains negative particles It loses negative particles It gains positive particlesQuestion 10 of 2011. What is another name for frictional electricity mentioned in the document? Dynamic electricity Static electricity Induced electricity Conductive electricityQuestion 11 of 2012. Why should static electricity experiments be performed in dry weather? Charges move faster Moist air absorbs charges Dry air generates more heat Wet air repels chargesQuestion 12 of 2013. What happens when a charged straw is brought near an uncharged straw? Repulsion Attraction No movement SparkingQuestion 13 of 2014. What is the test used to identify an electrically charged object? Attraction Repulsion Sparking NeutralizationQuestion 14 of 2015. What happens to water flow when a charged comb is brought near it? It repels It attracts It remains unchanged It stopsQuestion 15 of 2016. Why does a charged balloon stick to a wall? Due to gravity Due to opposite charge attraction Due to friction alone Due to air pressureQuestion 16 of 2017. What is observed when a spent tubelight is rubbed with a polythene bag in the dark? It emits sound It glows faintly It attracts paper It repels objectsQuestion 17 of 2018. What happens when an uncharged aluminium ball touches a negatively charged balloon? It stays neutral It becomes negatively charged It becomes positively charged It repels immediatelyQuestion 18 of 2019. What does a gold leaf electroscope detect? Heat Electric charge Light MagnetismQuestion 19 of 2020. What do the gold leaves do when a charged object is near the electroscope’s disc? Collapse Repel each other Attract each other Stay closedQuestion 20 of 20 Loading...
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