41. Which of these converts chemical energy into electrical energy?
42. Some resistors are connected in series in the circuit, the value of current through the circuit is?
43. An electric bulb of 100 W is used for 8 hours per day. The bulb will consume . . . . . . . . Unit energy in a week.
44. The property of electric current which is applicable in the fuse wire is
45. Which finger shows the direction of current in Fleming's left hand rule?
46. Which of the following is arranged in order of decreasing conductivity?
47. The magnitude of current flowing between two end points of a conductor is proportional to the potential difference between them and is called as
48. Fluorescent tubes are fitted with a choke. The choke coil
49. When an electric current of 4A flows from a source though an electric heater, its potential differential is 60V. If the potential difference increases to 165V, what will be the current?
50. When the potential difference is 18V then the work is done moving a charge of 4C across two points is . . . . . . . .
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