Current Electricity A thermistor has Negative temperature coefficient Zero temperature coefficient Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient Variable temperature coefficient Positive temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 40 W 10 W 60 W 20 W 40 W 10 W 60 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Carbon Cast iron Tungsten Copper Carbon Cast iron Tungsten Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided Both of the listed here To prevent leakage of current None of above factors To prevent shock Both of the listed here To prevent leakage of current None of above factors To prevent shock ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Conductors Semi-conductors Inductors Insulators Conductors Semi-conductors Inductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Cross-sectional area Temperature Material Shape of cross-section Cross-sectional area Temperature Material Shape of cross-section ANSWER DOWNLOAD EXAMIANS APP