1. A negatively charged 1.3 C metal object is in contact with a neutral metal sphere. After contact, the sphere gains a charge of -0.3 C. a. What is the process of charging used in this case? b. What is the charge sign of the metal object and metal sphere after contact? c. How much charge is left on the metal object after contact?
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- One of the methods of charging materials wherein the transfer of charges is due to the contact between two materials and depends also on the nature of the materials. Select one: a. charging by conduction b. charging by friction c. charging by induction d. charging by grounding24 - Charging an object by induction requires .............. ? A) rubbing after contact B) none of them C) putting an insulator between them D) no contact with the object inducing the charge E) contact with the object inducing the chargeDiscussions:Voltage Distribution and String Efficiency of a Model Suspension Insulator 1- Comment on the results obtained.2- Give reasons for unequal potential distribution over the string.3- What is the effect of this un equality on the insulators?4- Can value of the string efficiency being equal to 100%. Explain your answer.5- Outline methods used to equalize the potential across the units.6- Why an insulator is represented as a capacitor C? What are the assumptionmodes?
- A piece of silver wire has a resistance of 1 ohm. Determine the resistance of alead wire one-third the length and one-third the diameter if the resistivity of lead wire is 30 times that of silver. NOTE: Please explain where did you get the variables so I can understand them. Thank youThe charge entering a certain element is shown in the given figure, where A = 70. Find the current at 1 ms, 6 ms, and 10 ms. The current at 1 ms is _____ A. The current at 6 ms is _____ A. The current at 10 ms is ______ A.(b) Consider the diagram of a conducting wire of Figure Q1(b)6). i. Determine the charge of 7.573 x 1017 electrons. ii. If this number of electrons moves uniformly from the left end of the wire to the right end in 1 ms (millisecond), what is the current flows through the wire? iii. How many electrons must pass a given point in 1 minute to produce a current of 10 A? iv. If the charge profile across the cross section of the conductor from left to right is given by g(t) = t + 0.2est C for t2 0 and zero for t < 0, plot the profile of the current that flows across the boundary. In what direction would the current flow? v. Repeat part (iv) for the charge profile (in Coulomb) sketched in Figure Q1(b)(ii).
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- At location C there is an electric field in the direction indicated below. A sulfide ion S2 is placed at point C. What is the direction of the electric force on the sulfide ion? E Select one:QUESTION 7 Match Collumn A and Collumn B? Properties of Metal v Britleness A. the property of a metal which allows little bending or deformation without shattering Conductivity B. the property of metal to resist deformation and stress without breaking the property of a metal which can be hammered, rolled. or pressed into various shape without C. v Hardness cracking, breaking or leaving some other detrimental effect v Strength D. the property of a metal to resist cutting, penetration and abbrasion v Elasticity E. the weight of a unit volume of a material F. the property of a metal to become liquid by the application of heat v Malleability the property of metal which enables a material to return to its original state when the force G. applied is removed v Fusibility v Density H. the property of a metal to conduct electricity or heat Click Save and Submit to save and submit. Click Save All Answers to save all answers. BenoThe . capacity of the charge body to do work the . is the .24 * .electrical potential to work the greater is the electrical potential lower, lower lower, greater greater, lower greater, greater none of them O