Current Electricity A wire having very high value of conductance is said to be None of the listed here Very good conductor Insulator Moderately good conductor None of the listed here Very good conductor Insulator Moderately good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Increases Remains same Decreases Heater will burn out Increases Remains same Decreases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of None of the listed here Resistance Resistivity Current density None of the listed here Resistance Resistivity Current density ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit None of the listed here Increases circuit resistance Maintains potential difference Decrease circuit resistance None of the listed here Increases circuit resistance Maintains potential difference Decrease circuit resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Conductors Insulators Semi-conductors Inductors Conductors Insulators Semi-conductors Inductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Zero Positive None of the listed here Negative Zero Positive None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP