Current Electricity Voltage dependent resistors are usually made from Nichrome Graphite Charcoal Silicon carbide Nichrome Graphite Charcoal Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A column of mercury A cube of copper The unit length of wire A cube of carbon A column of mercury A cube of copper The unit length of wire A cube of carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Releigh method Lorentz method Wheastone bridge method Ohm's law method Releigh method Lorentz method Wheastone bridge method Ohm's law method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Remains unchanged Decreases None of the listed here Increases Remains unchanged Decreases None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the charge of an electron Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the charge of an electron Equal to the atomic number of the atom ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two ions Two metal particles Two molecules Two atoms Two ions Two metal particles Two molecules Two atoms ANSWER DOWNLOAD EXAMIANS APP