MCQ Class 10 Science Chapter 12 Magnetic Effects Of Electric Current Advertisement MCQ’s For All Chapters – Science Class 10th 1. The circuit with higher current rating (15 A) is used forFans and bulbsGeysers and coolersRadios and LEDsSmall toysQuestion 1 of 152. The circuit with 5 A rating is used forRefrigeratorsGeysersBulbs and fansAir conditionersQuestion 2 of 153. Domestic appliances are connected inSeriesParallelCombinationRandomQuestion 3 of 154. Overloading occurs whenToo many appliances are connected to one socketCurrent is zeroVoltage is constantAppliances are offQuestion 4 of 155. When live and neutral wires touch directly, it is calledOverheatingShort circuitEarth faultMagnetic effectQuestion 5 of 156. During short circuit, current in the circuitDecreasesBecomes zeroIncreases heavilyRemains constantQuestion 6 of 157. The device that prevents damage due to overloading isSwitchRheostatFuseBatteryQuestion 7 of 158. The working of fuse is based onFleming’s ruleJoule heating effectOersted’s lawInductionQuestion 8 of 159. MRI technology is based onSound wavesMagnetic fieldsX-raysHeat energyQuestion 9 of 1510. Which organs produce significant magnetic fields in the body?Lungs and liverHeart and brainKidney and stomachSkin and bonesQuestion 10 of 1511. The magnetic field inside a solenoid compared to outside isStronger and uniform insideZero insideEqual inside and outsideWeaker insideQuestion 11 of 1512. An electromagnet is formed whenCopper coil is emptySoft iron is placed inside solenoidAluminium rod is usedResistance decreasesQuestion 12 of 1513. A positively charged particle projected west is deflected north.The magnetic field isSouthEastDownwardUpwardQuestion 13 of 1514. A wire with green insulation in household supply isLive wireNeutral wireEarth wireFuse wireQuestion 14 of 1515. Fuse protects the circuit byIncreasing resistanceBreaking when current is highLowering voltageIncreasing currentQuestion 15 of 15 Loading...
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