Assignment 3: (Spring 2015)
TOTAL MARKS: 25
Due Date: 25/01/2016
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Question # 1
Two particles having charges q1 = 0.500 nC and q2 = 8.00 nC are separated by a distance of 1.20 m. At what point along the line connecting the two charges is the total electric field due to the two charges equal to zero? Marks 8
Question # 2
If the electric field in a region of space is zero, can you conclude that no electric charges are in that region? Explain. Marks 5
Question # 3
If the total charge inside a closed surface is known but the distribution of the charge is unspecified, can you use Gauss's law to find the electric field? Explain. Marks 5
Question # 4
Assume that a deuteron has a mass of 3.34 × 10-27Kg and a charge of +e. It travels in a circular path with a radius 6.96mm in a magnetic field with magnitude 2.50T. Value of charge on electron is 1.6 × 10-19C.
Find the speed of the deuteron. Marks 7
И снова покачал головой, когда она скрылась из виду. Дойдя до конца туннеля, Сьюзан уткнулась в круглую сейфовую дверь с надписью СЕКРЕТНО - огромными буквами. Вздохнув, она просунула руку в углубление с цифровым замком и ввела свой личный код из пяти цифр.
Через несколько секунд двенадцатитонная стальная махина начала поворачиваться.