Suppose the Sun were suddenly to shrink in size but that its mass remained the same. According to the law of conservation of ang
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The De Broglie wavelength of the electron is
And we can use De Broglie's relationship to find its momentum:
Given
, with m being the electron mass and v its velocity, we can find the electron's velocity:
This velocity is quite small compared to the speed of light, so the electron is non-relativistic and we can find its kinetic energy by using the non-relativistic formula:
And we can use De Broglie's relationship to find its momentum:
Given
This velocity is quite small compared to the speed of light, so the electron is non-relativistic and we can find its kinetic energy by using the non-relativistic formula:
Answer : The maximum current will be,
Explanation :
The relationship between power, resistance and current is:
where,
P = power = 0.5 watts
I = current = ?
R = resistance = 6 kohms = 6000 ohms
Now put all the given values in the above formula, we get:
Thus, the maximum current will be,