Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 30 J 50 J 40 J 20 J 30 J 50 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics Good conductor of electricity is Paper Dry air Kerosene Graphite Paper Dry air Kerosene Graphite ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Rotational energy Motional energy Kinetic energy Potential energy Rotational energy Motional energy Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Ammeter Voltmeter Hydrometer Thermocouple Ammeter Voltmeter Hydrometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Heating a magnet Hammering a magnet Passing alternating current through it Passing direct current through it Heating a magnet Hammering a magnet Passing alternating current through it Passing direct current through it ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted by a magnet is an example of ________ Electrostatic force Contact force Muscular force Non-contact force Electrostatic force Contact force Muscular force Non-contact force ANSWER DOWNLOAD EXAMIANS APP
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