61. A substance whose molecules consist of dissimilar atoms is called
62. If a parallel circuit is opened in the main line, the current
63. Out of the following which is an insulating material?
64. A nichrome wire used as a heater coil has the resistance of 2 Ω/m. For a heater of 1 kW at 200 V, the length of wire required will be
65. Ohm's law is not applicable to
66. Ohm’s law is not applicable to
67. When electric current passes through a metallic conductor, its temperature rises. This is due to
68. The number of electrons in the outer most orbit of carbon atom is
69. If I, R and t are the current, resistance and time respectively, then according to Joule’s law heat produced will be proportional to
70. What is the answer to this question? The resistance of a few meters of wire conductor in closed electrical circuit is
Read More Section(Current Electricity)
Each Section contains maximum 100 MCQs question on Current Electricity. To get more questions visit other sections.