Physics Short Questions “ELECTROMAGNETISM” Notes
Q. 44 Name the essential parts of a CRO ?
Explain the working principle of CRO ?
Q. 46 What voltages are required to•
1- Heat the filament F
.2- –Accelerate electrons between filament .`F’ and anode.
Q. 47 What should be the orientation of .a current carrying coil in a magnetic field So that torque
acting upon the coil is (a) maximum (b) minimum?
A novel which is written in the form of letters – that imposes certain constrains ...
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