Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 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 40 W lamp will glow brighter 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Increases Heater will burn out Remains same Decreases Increases Heater will burn out Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Reluctance Resistance Thermal conductivity Conductance Reluctance Resistance Thermal conductivity Conductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Ohm's law method Wheastone bridge method Releigh method Lorentz method Ohm's law method Wheastone bridge method Releigh method Lorentz method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% None of the listed here 0.4% 0.2% 0.3% None of the listed here 0.4% 0.2% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 60 W 10 W 20 W 40 W 60 W 10 W 20 W 40 W ANSWER DOWNLOAD EXAMIANS APP
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