51. In a circuit, there is only one path to carry electric current to flow is ?
52. When two or more resistors are connected sequentially to each other, they are attached . . . . . . . .
53. In 1785, who used the calibrated torsion balance to measure the force between electric charges?
54. The direction of magnetic field at any location on the earth's surface is commonly specified in terms of
55. Which of the following equipment is used to transform chemical energy into electrical energy?
56. Indicate the false statement about the resistance of a wire.
57. When electric current passes through a wire, everytime a deflection occurs in the measuring needle. Whom among the following firstly observed this carefully.
58. A battery illuminates a bulb. What type of conversion occurs in this process?
59. The heat produced by current in wire during time t is determined by . . . . . . . .
60. An electric fan of 300 W is used daily for 8 hours. The amount of energy used by that fan in a day will be . . . . . . . . units.
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