Qualification > Sciences

Physics ppr1 doubts

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astarmathsandphysics:
wait I will check.

astarmathsandphysics:
yes right. The cathode is heated so electrons are emitted aided by being heated. I will check on the anode being cooled.

astarmathsandphysics:
The anode is cooled so it DOES NOT emit electrons by thermionic emmision

nits94:

--- Quote from: A@di on November 12, 2009, 11:57:24 am ---guess it shud be A

 any how the current is (direction) the magnetic field is still dere na, so it attracts the soft iron
It is A. Iron is easily magnetized so is always attracted to a magnetic field
--- End quote ---
ya the ans is A...Thanks :) :)

Ghost Of Highbury:
welcome

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