A parallel plate capacitor with air between the plates has a capacitance of 4 pF. If the distance between the plates is reduced by half and the space between them is filled with a substance of dielectric constant 6, then the value of capacitance will be ……..
Acetic acid dissociates 1.3%. What will be the pH of \(\frac {N}{10}\) solution of the acid.
Let z = x + iy be a complex number satisfying the following equation |z - (2 + i)| = |Re(z) - 4 | Which of the following options describes the above equation?
A body that moves in a circular motion (with radius r) at a constant speed (v) is always being accelerated uninterruptedly. Thus, the acceleration is at the right angle to the direction of the motion. It is towards the center of the sphere and that of the magnitude 𝑣2/r.
The direction of the acceleration is extrapolated through symmetry arguments. If it points the acceleration out of the plane of the sphere, then the body would pull out of the plane of the circle.
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