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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Amout of heat required to raise the temperature of a body through 1 K is called its
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- Number of spectral lines in hydrogen atom is
- If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform
- Two beams of light having intensities I and 4I interfere to produce a fringe pattern
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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