Current Electricity Resistance of a material always decreases if Number of free electrons available becomes more None of these Temperature of material is decreased Temperature of material is increased Number of free electrons available becomes more None of these Temperature of material is decreased Temperature of material is increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Tungsten Carbon Cast iron Copper Tungsten Carbon Cast iron Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is Partially obeyed None of the listed here Fully obeyed There is no relation between current and p. d Partially obeyed None of the listed here Fully obeyed There is no relation between current and p. d ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero Low Very high High Practically zero Low Very high High ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm 1.0 ohm 0.6 ohm 0.8 ohm 0.4 ohm 1.0 ohm 0.6 ohm 0.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Electrons Atoms Nucleus Electrons and ions Electrons Atoms Nucleus Electrons and ions ANSWER DOWNLOAD EXAMIANS APP
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