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Question
81.
Two electrodes are maintained at a potential difference of 50V. An electron moving from cathode to
anode gains kinetic energy equal to :
(West Bengal/ NTSE Stage-1/2017)
(A) 50 ~ 10-19 erg (B) 50 joule
(C) 80x 10-19 Joule (D) 80 erg
What will be the power consumed by a 50 2 wire if it is kept across a potential difference of 200 V?
West Bengal NTSF Stage-1/2017)
82.
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