Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Conductors Inductors Semi-conductors Insulators Conductors Inductors Semi-conductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be None of the listed here Insulator Very good conductor Moderately good conductor None of the listed here Insulator Very good conductor Moderately good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Elements have individual currents Currents are additive Power are additive Voltages are additive Elements have individual currents Currents are additive Power are additive Voltages are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Zinc Lead Mercury Copper Zinc Lead Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except (Amperes) ohm Amperes/volt Amperes × volts Joules/sec. (Amperes) ohm Amperes/volt Amperes × volts Joules/sec. ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Wheastone bridge method Ohm's law method Releigh method Lorentz method Wheastone bridge method Ohm's law method Releigh method Lorentz method ANSWER DOWNLOAD EXAMIANS APP