Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/ohm°C ohms/°C mhos/°C mhos/ohm°C ohms/ohm°C ohms/°C mhos/°C mhos/ohm°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Increases Remains unchanged Decreases None of the listed here Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Porcelain Carbon Manganin Copper Porcelain Carbon Manganin Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is Partially obeyed Fully obeyed There is no relation between current and p. d None of the listed here Partially obeyed Fully obeyed There is no relation between current and p. d None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 64 Q 36 Q 18 Q 48 Q 64 Q 36 Q 18 Q 48 Q ANSWER DOWNLOAD EXAMIANS APP
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