Current Electricity Which of the following materials has the least resistivity ? Lead Zinc Mercury Copper Lead Zinc Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 25 : 4 4 : 25 2 : 5 5 : 2 25 : 4 4 : 25 2 : 5 5 : 2 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Capacitance Reluctance Inductance Resistance Capacitance Reluctance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 7.07 mA 14.14 mA 0.707 mA 28.28 mA 7.07 mA 14.14 mA 0.707 mA 28.28 mA ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Low Very high High Practically zero Low Very high High Practically zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Supply wiring is covered with insulation layer Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wires are made of superior material Supply wiring is covered with insulation layer Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wires are made of superior material ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS