Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Current through supply line flows at slower speed Supply wiring is covered with insulation layer Supply wires are made of superior material Resistance of heater coil is more than the supply wires Current through supply line flows at slower speed Supply wiring is covered with insulation layer Supply wires are made of superior material Resistance of heater coil is more than the supply wires ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in m/Ω None of the listed here Ω-m Ω/m m/Ω None of the listed here Ω-m Ω/m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 10 ohms 5 ohms 15 ohms 55 ohms 10 ohms 5 ohms 15 ohms 55 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has higher wattage rating Has lower wattage rating Offers large number of tapping Has large number of turns Has higher wattage rating Has lower wattage rating Offers large number of tapping Has large number of turns 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 0.6 1.5 0.5 1 0.6 1.5 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Metallic resistor Wire wound resistor Carbon resistor Variable resistor Metallic resistor Wire wound resistor Carbon resistor Variable resistor ANSWER DOWNLOAD EXAMIANS APP
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