Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.2% None of the listed here 0.3% 0.4% 0.2% None of the listed here 0.3% 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Chemical effect Thermal effect Luminous effect Magnetic effect Chemical effect Thermal effect Luminous effect Magnetic effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. None of the listed here Positive Negative Zero None of the listed here Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Resistor with zero temperature co-efficient Non-linear resistors Carbon resistors Insulators Resistor with zero temperature co-efficient Non-linear resistors Carbon resistors Insulators 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 atomic number of the atom Equal to the charge of an electron None of these Equal to the charge of the number of electrons in an atom (#) zero Equal to the atomic number of the atom Equal to the charge of an electron None of these 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 To prevent shock None of above factors To prevent leakage of current Both of the listed here To prevent shock None of above factors ANSWER DOWNLOAD EXAMIANS APP