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A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver. If a current of 0.8A is used, find the time (approx) needed for depositing the required weight of silver (ECE of silver is 11.8×10⁻⁷kgC⁻¹)
Options
(a) 5 min 32s
(b) 6 min 37s
(c) 4 min 16 s
(d) 6 min 10 s
Correct Answer:
6 min 37s
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Wave nature of light is verified by
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- An aeroplane flies 400m due to North and then 300m due to south and then flies
- The order of radius of the nucleus of an atom is
- Two discs of same material and thickness have radii 0.2 m and 0.6 m.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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