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A high voltage applied to a gas discharge tube having neon gas at very low pressure causes a current to flow through the tube.
Which particles that flow towards the cathode?
a) Electrons
b) Protons
c) Negatively charged neon ions
d) Positively charged neon ions
Ans - Positively charged neon ion
A negative point charge 10 -8 coulomb is located in air at the origin of a rectangular coordinate system. What is the electric field intensity at a point on the positive x directi
Explain Electricity and static electricity Electricity - study of stationary (static) or moving charges Static Electricitiy (Electrostatics) - electric charges at rest
The most probable radius (in pm) for finding the electron He + is: (1) 0.0 (2) 52.9 (3) 26.5 (4) 105.8 Ans: (c)26.5
Q. Compare the emf and the potential difference . Comparison of emf and potential difference 1. The difference of potentials among the two terminals of a cell in an open cir
If we have to strain a ferromagnetic crystal along certain direction, we would change the inter atomic spacing not only along this direction but also in other direction. And hence
A ball is 6.5 m from a convex mirror with a magnification of 0.75. If the image is 0.25 m in diameter. What is the diameter of the actual ball?
Explain Non-Uniform velocity
A ROCKETSHIP IN FREE SPACE MOVES WITH CONSTANT ACCELERATION OF 9.8 METER PER SECOND SQUARE. IF IT STARTS FROM REST HOW LONG IT WILL TAKE TO ACQUIRE A SPEED ONE-TENTH THAT OF LIGHT
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Local electric field : It is the sum of the electric field from external sources and the field of the dipoles within the specimen. It is an idealized field calculated under particu
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