Current Electricity The filament of electrical bulb is made of Aluminium Steel Nickel Tungsten Aluminium Steel Nickel Tungsten ANSWER DOWNLOAD EXAMIANS APP
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 When one lag of parallel circuit is opened out the total current will Increases Decreases Become zero None of the listed here Increases Decreases Become zero None of the listed here 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 1.0 ohm 0.4 ohm 0.8 ohm 0.6 ohm 1.0 ohm 0.4 ohm 0.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Copper Constantan Carbon Silver Copper Constantan Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 484 ft 4840 Q 48.4 Q 4.84 Q 484 ft 4840 Q 48.4 Q 4.84 Q ANSWER DOWNLOAD EXAMIANS APP