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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
- The flux linked with a coil at any intant t is given by ?=10t² – 50t + 250
- A galvanometer coil has a resistance of 15 ohm and gives full scale deflection
- A thin and circular disc of mass M and radius R is rotating in a horizontal plane
- A block slides from an inclination of 45°.If it takes time twice
- A pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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