Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero Positive None of the listed here Negative Zero Positive None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt Coulomb Watt-hour Henry Watt Coulomb Watt-hour Henry ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/°C mhos/ohm°C ohms/ohm°C mhos/°C ohms/°C mhos/ohm°C ohms/ohm°C mhos/°C 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? 40 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 100 W lamp will glow brighter 40 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 3.2 kWh 2 kWh 5 kWh 6 kWh 3.2 kWh 2 kWh 5 kWh 6 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Increases Decreases Become zero None of the listed here Increases Decreases Become zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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