Current Electricity Which of the following is the best material for making connecting wires? Copper Constant Nichrome Manganin Copper Constant Nichrome Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Nickel and chromium Lead and zinc Copper and silver Chromium and vanadium Nickel and chromium Lead and zinc Copper and silver Chromium and vanadium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 50 V 200 V 150 V 100 V 50 V 200 V 150 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be None of the listed here Very good conductor Insulator Moderately good conductor None of the listed here Very good conductor Insulator Moderately good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.6 ohm 0.8 ohm 1.0 ohm 0.4 ohm 0.6 ohm 0.8 ohm 1.0 ohm 0.4 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Thermal effect Chemical effect Luminous effect Magnetic effect Thermal effect Chemical effect Luminous effect Magnetic effect ANSWER DOWNLOAD EXAMIANS APP