Current Electricity International ohm is defined in terms of the resistance of A column of mercury The unit length of wire A cube of carbon A cube of copper A column of mercury The unit length of wire A cube of carbon A cube of copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Decreases Increases Remains constant First increases and then decreases Decreases Increases Remains constant First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Number of free electrons available becomes more None of these Temperature of material is increased Temperature of material is decreased Number of free electrons available becomes more None of these Temperature of material is increased Temperature of material is decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from AC supply only DC supply only Battery supply only All of the listed here AC supply only DC supply only Battery supply only All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Second electron from the orbit Any electron from the orbit First electron from the orbit Third electron from the orbit Second electron from the orbit Any electron from the orbit First electron from the orbit Third electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except Amperes/volt Joules/sec. Amperes × volts (Amperes) ohm Amperes/volt Joules/sec. Amperes × volts (Amperes) ohm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS