Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Conductors Semi-conductors Inductors Insulators Conductors Semi-conductors Inductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 48.4 Q 4.84 Q 484 ft 4840 Q 48.4 Q 4.84 Q 484 ft 4840 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Carbon Constantan Copper Silver Carbon Constantan Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Power Energy Quantity of electricity Strength of current Power Energy Quantity of electricity Strength of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Voltages are additive Elements have individual currents Power are additive Currents are additive Voltages are additive Elements have individual currents Power are additive Currents are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Very low High Low Any value Very low High Low Any value ANSWER DOWNLOAD EXAMIANS APP