Electric Circuits The electrical conductivity of metal is typically of the order of (in ohm - m) 10 - 4. 107. 10 - 6. 105. 10 - 4. 107. 10 - 6. 105. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits How many 200W / 220V bulbs connected in series across 220V supply will consume 100W? 4. 2. 1. Not possible. 4. 2. 1. Not possible. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A particular current is made up of two component : a 10 A and a sine wave of peak value 14.14 A. The average value of current is 10 A. 24.14 A. 14.14 A. zero. 10 A. 24.14 A. 14.14 A. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 17.3A . 30A. 22.4A. 14.14A. 17.3A . 30A. 22.4A. 14.14A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Glycerine. Phenol. Any of above. Dextrol. Glycerine. Phenol. Any of above. Dextrol. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 3 / 4 Ω. 4 / 3 Ω. 3 / 2 Ω. 6 Ω. 3 / 4 Ω. 4 / 3 Ω. 3 / 2 Ω. 6 Ω. ANSWER DOWNLOAD EXAMIANS APP