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Example: A disc of radius R has a uniform charge per unit area ċ. Calculate the electric field at a point P along the central axis of the disc at a distance x0 from its center.

Root x +x square=y

an object is moving according to the following equation s(t) = 5t - 15t^2 + t^2 s in meter and t in second. 1) identify the times when the distance is maximum and minimum and clearly identify the points. 2)Evaluate the speed at the times in a. Also find t...

A capacitor is made up of two metal plates, each having an area of 0.02 m2 and spaced 2.5 mm apart. A potential difference of 250 V across the plates establishes a charge of 50 nC. Calculate: a) The electric field strength, b) The electric flux density, c...

In commercial/industrial life, most AC apparatus (e.g. lifts, lights, machinery, air conditioning, motors and so on) take more from the electricity supply source than they actually need. Power Factor Correction (PFC) is an energy saving technology that is...

find the largest number which divides 245 and 1029 Leaving remainder 5 in each case

1by 2 rootx +2x

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