Current Electricity Which of the following materials has the least resistivity ? Zinc Mercury Lead Copper Zinc Mercury Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Reluctance Capacitance Inductance Resistance Reluctance Capacitance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
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 1.5 0.5 0.6 1 1.5 0.5 0.6 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 4840 Q 484 ft 48.4 Q 4.84 Q 4840 Q 484 ft 48.4 Q 4.84 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. None of the listed here Positive Zero Negative None of the listed here Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Supply wires are made of superior material Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Supply wires are made of superior material Current through supply line flows at slower speed ANSWER DOWNLOAD EXAMIANS APP