Current Electricity An electric filament bulb can be worked from All of the listed here DC supply only AC supply only Battery supply only All of the listed here DC supply only AC supply only Battery supply only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Constantan Silver Carbon Copper Constantan Silver Carbon 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 Ohm's law is not applicable to Semi-conductors High currents Dc circuits Small resistors Semi-conductors High currents Dc circuits Small resistors 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 40 W 20 W 10 W 60 W 40 W 20 W 10 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Positive None of the listed here Zero Negative Positive None of the listed here Zero Negative ANSWER DOWNLOAD EXAMIANS APP
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