Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C ohms/ohm°C mhos/°C ohms/°C mhos/ohm°C ohms/ohm°C mhos/°C ohms/°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided To prevent shock None of above factors 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 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 60 W 40 W 10 W 20 W 60 W 40 W 10 W 20 W 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 If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.6 ohm 1.0 ohm 0.4 ohm 0.8 ohm 0.6 ohm 1.0 ohm 0.4 ohm 0.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Dc circuits Semi-conductors High currents Small resistors Dc circuits Semi-conductors High currents Small resistors ANSWER DOWNLOAD EXAMIANS APP