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 Increases Heater will burn out Decreases Remains same Increases Heater will burn out Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Variable resistors Varistors Thermistor Semiconductors Variable resistors Varistors Thermistor Semiconductors 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 40 W 60 W 10 W 20 W 40 W 60 W 10 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Increases Decreases None of the listed here Become zero Increases Decreases None of the listed here Become zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Increases None of these Decreases Remains same Increases None of these Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Aluminium Tungsten Nickel Steel Aluminium Tungsten Nickel Steel ANSWER DOWNLOAD EXAMIANS APP
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