Current Electricity The resistance of conductor varies inversely as Area of cross-section Temperature Length Resistivity Area of cross-section Temperature Length Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Resistance None of the listed here Resistivity Current density Resistance None of the listed here Resistivity Current density ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove First electron from the orbit Second electron from the orbit Third electron from the orbit Any electron from the orbit First electron from the orbit Second electron from the orbit Third electron from the orbit Any electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is None of the listed here Positive Zero Negative None of the listed here Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Graphite Charcoal Silicon carbide Nichrome Graphite Charcoal Silicon carbide Nichrome ANSWER DOWNLOAD EXAMIANS APP