Current Electricity At 0 K, germanium behaves as A superconductor A conductor A ferromagnetic substance An insulator A superconductor A conductor A ferromagnetic substance An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Galvanometer Rheostat Wattmeter Voltmeter Galvanometer Rheostat Wattmeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/°C mhos/°C mhos/ohm°C ohms/ohm°C ohms/°C mhos/°C mhos/ohm°C ohms/ohm°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Copper Lead Mercury Zinc Copper Lead Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 64 Q 18 Q 36 Q 48 Q 64 Q 18 Q 36 Q 48 Q ANSWER DOWNLOAD EXAMIANS APP