- ADistance between the electrodes.
- BTemperature of the electrolyte.
- CNature of electrode and electrolyte.
- DArea of the electrode, immersed in the electrolyte.
Explanation:
Internal resistance is defined as the resistance offered by the electrolyte and electrodes of a cell when the current flows through it. Internal resistance depends on distance between the electrodes, the nature of electrodes and electrolyte, and area of the electrode immersed in the electrolyte. So, that leaves temperature of the electrolyte out, which is the answer.
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Which of the following statement is true
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(a) Velocity of light is constant in all media |
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(b) Velocity of light in vacuum is maximum
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(c) Velocity of light is same in all reference frames |
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(d) Laws of nature have identical form in all reference frames |
The electrochemical equivalent of a material in an electrolyte depends on
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(a) The nature of the material |
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(b) The current through the electrolyte |
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(c) The amount of charge passed through electrolyte |
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(d) The amount of material present in electrolyte |
An extremely hot star would appear to be
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(b) Blue |
(c) Yellow |
(d) Orange |
A uniform electric field having a magnitude and direction along the positive X - axis exists. If the potential V is zero at x = 0, then its value at X = +x will be
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(a) |
(b) |
(c) |
(d) |
A wire of radius r has resistance R. If it is stretched to a radius of , its resistance becomes
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(a) |
(b) |
(c) |
(d) |
You are given four sources of light each one providing a light of a single colour – red, blue, green and yellow. Suppose the angle of refraction for a beam of yellow light corresponding to a particular angle of incidence at the interface of two media is 90º. Which of the following statements is correct if the source of yellow light is replaced with that of other lights without changing the angle of incidence?