Current Electricity Constantan wire is used for making starndard resistance because it has 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 Low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided To prevent leakage of current None of above factors To prevent shock Both of the listed here To prevent leakage of current None of above factors To prevent shock Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same None of the listed here Potential Charge Capacity None of the listed here Potential Charge Capacity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Insulators Conductors Inductors Semi-conductors Insulators Conductors Inductors 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 Increases Heater will burn out Decreases Remains same Increases Heater will burn out Decreases Remains same 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. Semiconductors Thermistor Variable resistors Varistors Semiconductors Thermistor Variable resistors Varistors ANSWER DOWNLOAD EXAMIANS APP
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