Current Electricity The insulation on a current carrying conductor is provided Both of the listed here To prevent leakage of current To prevent shock None of above factors Both of the listed here To prevent leakage of current To prevent shock None of above factors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used To suppress surges As current stabilizers As heating elements For inductive circuits To suppress surges As current stabilizers As heating elements For inductive circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High melting point Negligibly small temperature co-efficient of resistance High specific resistance Low specific resistance High melting point Negligibly small temperature co-efficient of resistance High specific resistance Low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Wheastone bridge method Lorentz method Releigh method Ohm's law method Wheastone bridge method Lorentz method Releigh method Ohm's law method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Length Temperature Resistivity Are of cross-section Length Temperature Resistivity Are of cross-section ANSWER DOWNLOAD EXAMIANS APP