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 Negative Positive Zero None of the listed here Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Insulator Moderately good conductor None of the listed here Very good conductor Insulator Moderately good conductor None of the listed here Very good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Become zero Increases None of the listed here Decreases Become zero Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 1.0 ohm 0.6 ohm 0.8 ohm 0.4 ohm 1.0 ohm 0.6 ohm 0.8 ohm 0.4 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes kWh Ampere-volts Ampere-hours Amperes kWh Ampere-volts Ampere-hours ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 4 : 25 25 : 4 2 : 5 5 : 2 4 : 25 25 : 4 2 : 5 ANSWER DOWNLOAD EXAMIANS APP