Physics Which is evidence that supports the dynamo theory? Earth's core contains a large amount of iron Convection occurs in Earth's inner core Earth's outer core contains liquid that conducts electricity Granite and basalt conduct electricity Earth's core contains a large amount of iron Convection occurs in Earth's inner core Earth's outer core contains liquid that conducts electricity Granite and basalt conduct electricity ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is Rectifier Oscillator Amplifier None of these Rectifier Oscillator Amplifier None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Galvanometer Transformer Ammeter Rectifier Galvanometer Transformer Ammeter Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Rise of oil a wick is due to Density of the oil Pressure of the oil Surface tension of the oil Viscosity of the oil Density of the oil Pressure of the oil Surface tension of the oil Viscosity of the oil ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? The water is absorbed by sawdust Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted by a magnet is an example of ________ Muscular force Electrostatic force Non-contact force Contact force Muscular force Electrostatic force Non-contact force Contact force ANSWER DOWNLOAD EXAMIANS APP
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