Current Electricity The current in the circuit having constant resistance is tripled. The power increases 9 times 1/9 times 1/3 times 3 times 9 times 1/9 times 1/3 times 3 times 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 0.2% 0.3% None of the listed here 0.4% 0.2% 0.3% None of the listed here 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Mercury Copper Zinc Lead Mercury Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Very good conductor None of the listed here Moderately good conductor Insulator Very good conductor None of the listed here Moderately good conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of an electron Equal to the atomic number of the atom None of these Equal to the charge of the number of electrons in an atom (#) zero Equal to the charge of an electron Equal to the atomic number of the atom None of these Equal to the charge of the number of electrons in an atom (#) zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Nucleus Electrons and ions Atoms Electrons Nucleus Electrons and ions Atoms Electrons ANSWER DOWNLOAD EXAMIANS APP
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