Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 4R. 0.5R. R. 2R. 4R. 0.5R. R. 2R. 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 36.36. 40.25. 76.66. 66.66. 36.36. 40.25. 76.66. 66.66. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For occurrence of resonance which of the following elements are required? R C Both 2 and 3 L R C Both 2 and 3 L ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Active materials of a lead acid cell are lead peroxide. all of above. spongy lead. dilute H2SO4. lead peroxide. all of above. spongy lead. dilute H2SO4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following ABCD parameters is unit less? A and D. B and C. A and C. A and B. A and D. B and C. A and C. A and B. ANSWER DOWNLOAD EXAMIANS APP
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 4 Ω. 800 Ω. 40 Ω. 400 Ω. 4 Ω. 800 Ω. 40 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP
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