Current Electricity A thermistor has Zero temperature coefficient Positive temperature coefficient Negative temperature coefficient Variable temperature coefficient Zero temperature coefficient Positive temperature coefficient Negative temperature coefficient Variable temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Aluminium Nickel Tungsten Steel Aluminium Nickel Tungsten Steel 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 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 Both lamps will glow equally bright 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 25 : 4 4 : 25 2 : 5 5 : 2 25 : 4 4 : 25 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Decreases Remains same None of the listed here Increases Decreases Remains same None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from DC supply only AC supply only All of the listed here Battery supply only DC supply only AC supply only All of the listed here Battery supply only ANSWER DOWNLOAD EXAMIANS APP
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