Current Electricity Which of the following materials has the least resistivity ? Mercury Lead Copper Zinc Mercury Lead Copper 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 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Copper and silver Lead and zinc Nickel and chromium Chromium and vanadium Copper and silver Lead and zinc Nickel and chromium Chromium and vanadium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used For inductive circuits To suppress surges As current stabilizers As heating elements For inductive circuits To suppress surges As current stabilizers As heating elements ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Watt Coulomb Watt-hour Henry Watt Coulomb Watt-hour Henry ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Positive Zero About 2 ohms per degree Negative Positive Zero About 2 ohms per degree Negative ANSWER DOWNLOAD EXAMIANS APP