Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become R. 2R. 0.5R. 4R. R. 2R. 0.5R. 4R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Platinum. Brass. Tungsten. Metal alloys constantan and manganin. Platinum. Brass. Tungsten. Metal alloys constantan and manganin. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 66.66. 76.66. 36.36. 40.25. 66.66. 76.66. 36.36. 40.25. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Silver coating is provided for all of above. decorative purpose. protective purpose. bearing surfaces. all of above. decorative purpose. protective purpose. bearing surfaces. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which resistor will be physically larger in size? 1 M Ω, 1/2 W. 100 Ω, 10 W. 10 Ω, 50 W. 1 k Ω, 1 W. 1 M Ω, 1/2 W. 100 Ω, 10 W. 10 Ω, 50 W. 1 k Ω, 1 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Lowest current density is generally recommended for plating of bronze. silver. cadmium. chromium. bronze. silver. cadmium. chromium. ANSWER DOWNLOAD EXAMIANS APP
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