Current Electricity The resistance of conductor varies inversely as Length Resistivity Area of cross-section Temperature Length Resistivity Area of cross-section Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current changes with time Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes Ampere-volts Ampere-hours kWh Amperes Ampere-volts Ampere-hours kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Carbon Silver Copper Constantan Carbon Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Copper Mercury Zinc Lead Copper Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is nearly 3 x 108 m/s of the order of a few ^.s/m the same as propagation velocity of electric energy independent of current strength nearly 3 x 108 m/s of the order of a few ^.s/m the same as propagation velocity of electric energy independent of current strength ANSWER DOWNLOAD EXAMIANS APP
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