Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 1.5 1 0.6 0.5 1.5 1 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 50 ohms About 500 ohms Zero Infinity About 50 ohms About 500 ohms Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors Both of the listed here To prevent leakage of current To prevent shock None of above factors Both of the listed here To prevent leakage of current To prevent shock ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Positive charges only Both positive and negative charges Neutral particles only Negative charges only Positive charges only Both positive and negative charges Neutral particles only Negative charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 66 V 80 V 33 V 132 V 66 V 80 V 33 V 132 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Lorentz method Wheastone bridge method Releigh method Ohm's law method Lorentz method Wheastone bridge method Releigh method Ohm's law method ANSWER DOWNLOAD EXAMIANS APP