Current Electricity Resistance of a material always decreases if Number of free electrons available becomes more Temperature of material is decreased None of these Temperature of material is increased Number of free electrons available becomes more Temperature of material is decreased None of these Temperature of material is increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of the number of electrons in an atom (#) zero Equal to the charge of an electron None of these Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero Equal to the charge of an electron None of these Equal to the atomic number of the atom ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is of the order of a few ^.s/m the same as propagation velocity of electric energy independent of current strength nearly 3 x 108 m/s of the order of a few ^.s/m the same as propagation velocity of electric energy independent of current strength nearly 3 x 108 m/s ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For which of the following 'ampere second' could be the unit? Energy Charge Reluctance Power Energy Charge Reluctance Power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Any electron from the orbit Second electron from the orbit First electron from the orbit Third electron from the orbit Any electron from the orbit Second electron from the orbit First electron from the orbit Third electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
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