Current Electricity In case of liquids, ohm's law is Fully obeyed Partially obeyed There is no relation between current and p. d None of the listed here Fully obeyed Partially obeyed There is no relation between current and p. d None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 10 ohm 200 ohm 1000 ohm 25 ohm 10 ohm 200 ohm 1000 ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Negligibly small temperature co-efficient of resistance High specific resistance Low specific resistance High melting point Negligibly small temperature co-efficient of resistance High specific resistance Low specific resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Remains constant Increases Decreases First increases and then decreases Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Porcelain Carbon Copper Manganin Porcelain Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 50 ohms Zero About 500 ohms Infinity About 50 ohms Zero About 500 ohms Infinity ANSWER DOWNLOAD EXAMIANS APP
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