Current Electricity International ohm is defined in terms of the resistance of A cube of carbon A cube of copper A column of mercury The unit length of wire A cube of carbon A cube of copper A column of mercury The unit length of wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 10 Ω, 20 Ω 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 15 Ω 10 Ω, 20 Ω 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 15 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Negative Zero None of the listed here Positive Negative Zero None of the listed here Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Zinc Copper Gold Silver Zinc Copper Gold Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Lorentz method Releigh method Wheastone bridge method Ohm's law method Lorentz method Releigh method Wheastone bridge method Ohm's law method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Atoms Nucleus Electrons Electrons and ions Atoms Nucleus Electrons Electrons and ions ANSWER DOWNLOAD EXAMIANS APP