Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator A semiconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Porcelain Copper Carbon Manganin Porcelain Copper Carbon Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except (Amperes) ohm Amperes × volts Amperes/volt Joules/sec. (Amperes) ohm Amperes × volts Amperes/volt Joules/sec. ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Cast iron Copper Tungsten Carbon Cast iron Copper Tungsten Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Capacity Charge Potential None of the listed here Capacity Charge Potential None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 400 Ω 1000 Ω 800 Ω 600 Ω 400 Ω 1000 Ω 800 Ω 600 Ω ANSWER DOWNLOAD EXAMIANS APP