Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 40 Ω. 800 Ω. 400 Ω. 4 Ω. 40 Ω. 800 Ω. 400 Ω. 4 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Among the options which metal has the highest electrical conductivity? Steel. Stranded aluminium. Aluminium. Copper. Steel. Stranded aluminium. Aluminium. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short circuited? 600 A. 100 A. 6 A. 1 A. 600 A. 100 A. 6 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is 2:3:6. 6:3:2. 6:4:2. 2:4:6. 2:3:6. 6:3:2. 6:4:2. 2:4:6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is AC only An Impulse Either AC or DC DC only AC only An Impulse Either AC or DC DC only ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What are the points to be mentioned in specifying main switches? None of these. Voltage grade. Current rating. Both A and B. None of these. Voltage grade. Current rating. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
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