Current Electricity Electrical current is due to the flow of Neutral particles only Negative charges only Both positive and negative charges Positive charges only Neutral particles only Negative charges only Both positive and negative charges Positive charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Magnetic effect Luminous effect Chemical effect Thermal effect Magnetic effect Luminous effect Chemical effect Thermal effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually An insulator None of the listed here A conductor A semiconductor An insulator None of the listed here A conductor A semiconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Aluminium Tungsten Steel Nickel Aluminium Tungsten Steel Nickel ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Copper Carbon Constantan Silver Copper Carbon Constantan ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
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