Current Electricity Ohm's law is not applicable to Small resistors Dc circuits Semi-conductors High currents Small resistors Dc circuits Semi-conductors High currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Lorentz method Releigh method Ohm's law method Wheastone bridge method Lorentz method Releigh method Ohm's law method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Carbon Constantan Copper Silver Carbon Constantan Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is None of these Equal to the atomic number of the atom Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the atomic number of the atom Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in None of the listed here Ω-m Ω/m m/Ω None of the listed here Ω-m Ω/m m/Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Resistivity Length Are of cross-section Temperature Resistivity Length Are of cross-section Temperature ANSWER DOWNLOAD EXAMIANS APP