81. When several resistances are added to . . . . . . . ., their combined resistance is less than the minimum resistance among them?
82. Faraday's Laws are consequence of conservative of
83. If the potential difference and current through a circuit are doubled, the resistance of the circuit is:
84. Which of the following is not an example of the heating effect of current?
85. The SI unit of electric dipole moment is
86. A current carrying conductor is associated with
87. The electrical circuit consists of . . . . . . . .
88. Assertion (A): The temperature of a metal wire rises when an electric current is passed through it.
Reason (R): Collision of metal atoms with each other releases heat energy.
Reason (R): Collision of metal atoms with each other releases heat energy.
89. An electric bulb is connected to a 220 V generator. The current generated through it is 0.50A. How much power is the bulb?
90. An electrical device consumes 1000 joules of energy in a second. If it runs for one hour, what will be the amount of electricity consumed by it?
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