1. . A cell or battery converts;
(A) Electrical energy into mechanical energy
(B) Mechanical energy into electrical energy
(C) Chemical energy into electrical energy
(D) None of these
2. . Battery is a device;
(A) Mechanical
(B) Electro-chemical
(C) Electro-mechanical
(D) Electrical
3. . Two different metal conductors in a battery are called;
(A) Separators
(B) Electrolytes
(C) Electrodes
(D) Cell connectors
4. . Anode (or negative electrode) is also called;
(A) Ionic conductor
(B) Oxidizing electrode
(C) Fuel electrode
(D) None of these
5. . Cathode (or positive electrode) is also called;
(A) Oxidizing electrode
(B) Fuel electrode
(C) Ionic conductor
(D) None of these
6. . Cells are made in the following shape(s);
(A) Cylindrical
(B) All of these
(C) Prismatic
(D) Button
7. . The cell which cannot be recharged after discharging is called;
(A) Secondary cell
(B) Primary cell
(C) Lead acid cell
(D) Edison’s cell
8. . Primary cell is/are;
(A) Leclanche cell
(B) Zinc-carbon cell
(C) All of these
(D) Silver-oxide cell
9. . This is not a type of primary cell;
(A) Leclanche cell
(B) Mercury cell
(C) Alkaline cell
(D) Lithium-ion cell
10. . The chemical action can be reversed in the following cell;
(A) Mercury oxide cell
(B) Zinc-carbon cell
(C) Lead-acid cell
(D) Silver oxide cell
11. . This cell can be recharged after discharging;
(A) Zinc-carbon cell
(B) Lead acid cell
(C) Mercury oxide cell
(D) Edison’s cell
12. . The value of induced e.m.f. in a cell depends upon;
(A) Size of electrode
(B) Distance between electrodes
(C) All of these
(D) Materials of electrodes & electrolyte
13. . Galvanic cell is also called;
(A) Voltaic cell
(B) Leclanche cell
(C) Edison’s cell
(D) Daniel Cell
14. . Positive and negative electrodes of galvanic cell are made of respectively;
(A) Silver and Zinc
(B) Copper and Zinc
(C) Carbon and Silver
(D) Aluminium and Zinc
15. . Electrolyte of galvanic cell is;
(A) Copper Sulphate
(B) Sulphuric Acid
(C) Potassium Hydroxide
(D) Zinc Chloride
16. . Zinc-carbon cell is also called;
(A) Leclanche cell
(B) Voltaic cell
(C) Edison’s cell
(D) Daniel Cell
17. . The e.m.f. of new zinc-carbon cell is about;
(A) 1.3 V
(B) 1.8 V
(C) 1.5 V
(D) 2.2 V
18. . The internal resistance of new zinc-carbon cell is about;
(A) 0.1 to 0.4 Ω
(B) 0.5 to 0.8 Ω
(C) 0.6 to 0.9 Ω
(D) 0.8 to 1.0 Ω
19. . In a mercury cell, the materials for anode and cathode are respectively;
(A) Mercury and Zinc
(B) Zinc and Mercury
(C) Silver and Mercury
(D) Mercury and Carbon