Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.8 ohm 0.6 ohm 0.4 ohm 1.0 ohm 0.8 ohm 0.6 ohm 0.4 ohm 1.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/ohm°C mhos/ohm°C ohms/°C mhos/°C ohms/ohm°C mhos/ohm°C ohms/°C mhos/°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on The magnitude of voltage on the conductor The magnitude of current flowing through it Both magnitude of voltage and current None of the listed here The magnitude of voltage on the conductor The magnitude of current flowing through it Both magnitude of voltage and current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Negative Almost zero Positive None of the listed here Negative Almost zero Positive None of the listed here 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? 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One watt-hour Ten kilowatt-hour One watt-hour One kilowatt-hour One watt-hour Ten kilowatt-hour One watt-hour One kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP