81. Which tube used to produce X-ray?
82. A Fuse wire is characterised by
83. When the main switch of the house is put off it disconnects the
84. Electric power is measured in units of
85. Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.
86. What is the value of 1 kW = ?
87. The electric current in a metal wire is due to the flow of -
88. An electric fuse is based on
89. Metals are good conductors of electricity because
90. Find the current (in A) when a charge of 1200C flows in 6 seconds.
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