Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Inductors Conductors Insulators Semi-conductors Inductors Conductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 3 times 1/9 times 1/3 times 9 times 3 times 1/9 times 1/3 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is Partially obeyed None of the listed here There is no relation between current and p. d Fully obeyed Partially obeyed None of the listed here There is no relation between current and p. d Fully obeyed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 40 W lamp will glow brighter 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 40 W lamp will glow brighter 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 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 Negative Positive Zero None of the listed here Negative Positive Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Semi-conductors Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors High currents ANSWER DOWNLOAD EXAMIANS APP