A) ampere hour it can deliver B) the number of cells it contains C) time for which it can be used D) the number of recharges it can take. Ans : (A)
A) 2.5 V B) 2.0 V C) 1.9 V D) 2.7 V. Ans : (D)
A) iron B) dust C) lead sulphate D) sodium chloride. Ans : (A)
A) level of electrolyte B) colour of electrolyte C) temperature of electrolyte D) specific gravity of electrolyte. Ans : (D)
A) Leclanche cell is used in experiments, where constant supply of current is not needed. B) Dry cell is a primary cell C) After charging, a primary cell can be again put to use D) A primary cell is an electrochemical cell. Ans : (C)
A) positive hole charges B) positive ions only C) negative ions only D) positive and negative ions. Ans : (D)
A) A primary cell has an irreversible chemical reaction B) A storage cell has an reversible chemical reaction C) A lead acid cell can be recharged D) A carbon zinc cell has unlimited shelf life. Ans : (D)
A) minimum current capacity B) minimum efficiency C) high internal resistance D) low internal resistance. Ans : (D)
A) Efficiency of the circuit B) Current C) Voltage across RL D) Power in RL. Ans : (D)
A) 1.44 × 105 C B) 8.88 × 105 C C) 5.76 × 105 C D) 2.38 × 105 C. Ans : (C)
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.