Lead Acid Battery & Electrodes
73. The solder used for soldering the battery cables is made of
A. tine and lead   
B. copper and tin  
C. lead and aluminium   
D. copper and zinc

74. Correct sequence of current flow in simple electric circuit is
A. load, switch, battery   
B. battery, switch, load   
C. load, battery, switch  
D. switch, load, battery

75. In an open circuit the resistance is
A. very high   
B. very low   
C. infinite   
D. no resistance

76. Best insulation among the following is
A. copper   
B. aluminum   
C. iron    
D. mica   

77. A cell is device consisting of
A. one electrodes   
B. tow electrodes   
C. three electrodes   
D. four electrodes

78. Identify the secondary cell from the following
A. silver-oxide cell  
B. carbon zinc cell   
C. lead acid cell   
D. lithium cell

79. Lead acid battery is
A. an electro-mechanical device   
B. an electrochemical device   
C. an electrical device   
D. a chemical device

80. The electrolyte used in lead acid battery is
A. nitric acid   
B. citric acid   
C. sulfuric acid   
D. hydrochloric acid

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