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)