Current Electricity Out of the following which is not a poor conductor? Tungsten Copper Carbon Cast iron Tungsten Copper Carbon Cast iron ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero None of the listed here Negative Positive Zero None of the listed here Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Carbon resistors Vaccum tubes High voltage circuits Circuits with low current densities Carbon resistors Vaccum tubes High voltage circuits Circuits with low current densities ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Decrease circuit resistance 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 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 Remains same Increases Decreases Heater will burn out Remains same Increases Decreases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Silicon carbide Charcoal Nichrome Graphite Silicon carbide Charcoal Nichrome Graphite ANSWER DOWNLOAD EXAMIANS APP