Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 12.1 Ω 9 Ω 11 Ω 10 Ω 12.1 Ω 9 Ω 11 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as Five joules One joule One joule second One watt Five joules One joule One joule second One watt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Aluminium wire Copper wire tungsten wire Carbon resistance Aluminium wire Copper wire tungsten wire Carbon resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Negligibly small temperature co-efficient of resistance Low specific resistance High melting point High specific resistance Negligibly small temperature co-efficient of resistance Low specific resistance High melting point High specific resistance 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 20 W 10 W 60 W 40 W 20 W 10 W 60 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is Fully obeyed None of the listed here Partially obeyed There is no relation between current and p. d Fully obeyed None of the listed here Partially obeyed There is no relation between current and p. d ANSWER DOWNLOAD EXAMIANS APP