A) zinc dust B) stainless steel C) spongy iron D) carbon. Ans : (D)
A) 1.1 volt B) 1.2 volt C) 1.5 volt D) 1.71 volt. Ans : (C)
A) 10 to 15 percent B) 25 to 35 percent C) 45 to 60 percent D) 70 to 85 percent. Ans : (A)
A) Silver B) Barium C) Selenium D) Silicon. Ans : (D)
A) E (r1 + r2 ) B) E (r1 - r2) C) E (1 - r1/r2 ) D) E (1 - r2/r1 ) Ans : (D)
A) R = 0 B) R = (r1 + r2 ) C) R = r1 + r2/2 D) R = (r1 - r2 ). Ans : (D)
A) can be connected in series only B) cannot be connected in series C) cannot be connected in parallel D) may be connected in parallel or series. Ans : (A)
A) R = 4 B) R = pr C) R = q.r/p D) R = p.r/q Ans : (D)
A) The graph will have parabolic shape B) The graph will pass through the origin C) The slope of the graph will be equal to the internal resistance of the battery D) The graph will be straight line parallel to current axis. Ans : (C)
A) Mercury cell B) Edison cell C) Carbon-zinc cell D) Nickel-cadmium cell. Ans (D)
Multiple Choice Question (MCQ) of Electric Power page-10:91. An impulse turbine
Multiple Choice Question (MCQ) of Electric Power page-9:81. Spouting velocity is A) Velocity of jet under specified conditions B) Actual velocity of jet C) 50 % of ideal velocity of jet D) Ideal velocity of jet.
Multiple Choice Question (MCQ) of Electric Power page-8:71. In closed cooling system A) water does not flow B) hot water is recirculated after cooling C) air and water cooling is simultaneously used D) constant supply of fresh water for cooling is required.