Current Electricity Specific resistance of a substance is measured in None of the listed here m/Ω Ω-m Ω/m None of the listed here m/Ω Ω-m Ω/m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. None of the listed here Positive Negative Almost zero None of the listed here Positive Negative Almost zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.2% 0.4% None of the listed here 0.3% 0.2% 0.4% None of the listed here 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 Resistance of heater coil is more than the supply wires Supply wires are made of superior material Current through supply line flows at slower speed Supply wiring is covered with insulation layer Resistance of heater coil is more than the supply wires Supply wires are made of superior material Current through supply line flows at slower speed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 500 ohms Zero About 50 ohms Infinity About 500 ohms Zero About 50 ohms Infinity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric pressure is also called Power Energy Resistance Voltage Power Energy Resistance Voltage ANSWER DOWNLOAD EXAMIANS APP