Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Inductors Conductors Insulators Semi-conductors Inductors Conductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on The magnitude of current flowing through it None of the listed here The magnitude of voltage on the conductor Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here The magnitude of voltage on the conductor Both magnitude of voltage and current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Varistors Variable resistors Thermistor Semiconductors Varistors Variable resistors Thermistor Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Cast iron Copper Tungsten Carbon Cast iron Copper Tungsten Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Maintains potential difference Increases circuit resistance None of the listed here Decrease circuit resistance Maintains potential difference Increases circuit resistance None of the listed here Decrease circuit resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Remains constant Decreases Increases First increases and then decreases Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS