Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 1000 Ω 800 Ω 400 Ω 600 Ω 1000 Ω 800 Ω 400 Ω 600 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes kWh Ampere-volts Ampere-hours Amperes kWh Ampere-volts Ampere-hours ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Varistors Variable resistors Semiconductors Thermistor Varistors Variable resistors Semiconductors Thermistor 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? 150 V 100 V 200 V 50 V 150 V 100 V 200 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Chromium and vanadium Nickel and chromium Copper and silver Lead and zinc Chromium and vanadium Nickel and chromium Copper and silver Lead and zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 5 Ω, 10 Ω 10 Ω, 15 Ω 20 Ω, 30 Ω 10 Ω, 20 Ω 5 Ω, 10 Ω 10 Ω, 15 Ω 20 Ω, 30 Ω 10 Ω, 20 Ω ANSWER DOWNLOAD EXAMIANS APP