51. Tungsten is used for the manufacture of the filament of an electric bulb because it is
52. Principle of fuse is
53. One of the two bulbs glows brighter than the other. Which bulb has the highest resistance?
54. In the process of magnetisation of a bar,
55. In a three-pin electrical plug longest pin should be connected to
56. A constant current of 1.0A flows through a resistance of 12Ω. The amount of charge flows through the resistance in 1 minute is -
57. If two charged objects of equal capacity are connected with a wire:
58. Match the columns:
Column I
Column II
a. Smaller resistance
1. reciprocal of conductivity
b. Greater resistance
2. resistances are in series
c. Specific resistance
3. resistances are in parallel
| Column I | Column II |
| a. Smaller resistance | 1. reciprocal of conductivity |
| b. Greater resistance | 2. resistances are in series |
| c. Specific resistance | 3. resistances are in parallel |
59. Which of the following is a conductor of electricity?
60. Transformer converts . . . . . . . .
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