Current Electricity Which of the following materials has the least resistivity ? Copper Lead Zinc Mercury Copper Lead Zinc Mercury 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? 100 V 150 V 200 V 50 V 100 V 150 V 200 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open Rest of the two bulbs will not light All three bulbs will light There will be heavy current in the main line The other two bulbs will light Rest of the two bulbs will not light All three bulbs will light There will be heavy current in the main line The other two bulbs will light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Copper Manganin Nichrome Constant Copper Manganin Nichrome Constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Aluminium Nickel Tungsten Steel Aluminium Nickel Tungsten Steel ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 6.4 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 9.6 A 4.6 A, 6.9 A ANSWER DOWNLOAD EXAMIANS APP