Current Electricity An instrument which detects electric current is known as Rheostat Wattmeter Voltmeter Galvanometer Rheostat Wattmeter Voltmeter Galvanometer ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is Partially obeyed Fully obeyed None of the listed here There is no relation between current and p. d Partially obeyed Fully obeyed None of the listed here There is no relation between current and p. d ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Remains constant Decreases First increases and then decreases Increases Remains constant Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero High Low Very high Practically zero High Low Very high ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is of the order of a few ^.s/m nearly 3 x 108 m/s the same as propagation velocity of electric energy independent of current strength of the order of a few ^.s/m nearly 3 x 108 m/s the same as propagation velocity of electric energy independent of current strength ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 6 watts 8 watts 2 watts 4 watts 6 watts 8 watts 2 watts 4 watts ANSWER DOWNLOAD EXAMIANS APP