Current Electricity Conductivity is the reciprocal of Resistance Resistivity None of the listed here Current density Resistance Resistivity None of the listed here Current density ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Material Temperature Cross-sectional area Shape of cross-section Material Temperature Cross-sectional area Shape of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided To prevent leakage of current Both of the listed here None of above factors To prevent shock To prevent leakage of current Both of the listed here None of above factors To prevent shock ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 10 Ω 11 Ω 12.1 Ω 9 Ω 10 Ω 11 Ω 12.1 Ω 9 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove First electron from the orbit Second electron from the orbit Any electron from the orbit Third electron from the orbit First electron from the orbit Second electron from the orbit Any electron from the orbit Third electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Copper Mercury Zinc Lead Copper Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP