Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. 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 An instrument which detects electric current is known as Galvanometer Voltmeter Rheostat Wattmeter Galvanometer Voltmeter Rheostat Wattmeter 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 Remains same Decreases Increases Heater will burn out Remains same Decreases Increases Heater will burn out 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 10 W 60 W 20 W 40 W 10 W 60 W 20 W 40 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 18 Q 36 Q 48 Q 64 Q 18 Q 36 Q 48 Q 64 Q ANSWER DOWNLOAD EXAMIANS APP
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