Current Electricity Which of the following materials has the least resistivity ? Mercury Lead Zinc Copper Mercury Lead Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Capacitance Impedance Inductance Resistance Capacitance Impedance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.2% None of the listed here 0.4% 0.3% 0.2% None of the listed here 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Electrons and ions Electrons Atoms Nucleus Electrons and ions Electrons Atoms Nucleus ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is 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 None of these Equal to the atomic number of the atom ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 28.28 mA 14.14 mA 0.707 mA 7.07 mA 28.28 mA 14.14 mA 0.707 mA 7.07 mA ANSWER DOWNLOAD EXAMIANS APP
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