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- An object has positive electric charge whenever; A It has an excess of electrons. B) The nucleus of the atom is positively charge. The nucleus of the atom is negatively charge. D It has a deficiency of electrons.A metallic plate holds a charge of Q = -18 nC. Does the plate have excess or lack of electrons? Excess What total number of elementary charges does Q represent? Units no units required The number of elementary charges, N = 1.125E11 After 43.1 × 10¹0 electrons were added to the plate, what is the new net charge on the pla The new charge of the plate, Qnew = Units nC5 a. How many electrons are needed to form a charge of Q1 = -7 nC? b. If you touch two charge balls of - 60 nC and 70 nC, what will be the net charge after touching them together?
- Two spherical objects are separated by a distance of 1.52 x 103 m. The objects are initially electrically neutral and are very small compared to the distance between them. Each object acquires the same negative charge due to the addition of electrons. As a result, each object experiences an electrostatic force that has a magnitude of 2.24 x 10-20 N. How many electrons did it take to produce the charge on one of the objects? Number UnitsAn object has a charge of -4.1 µC. How many electrons must be removed so that the charge becomes +1.5 µC? Number UnitsBIUA E E E Arial 13 1) A conductor has an initial charge of 0.9 C. Calculate the number of electrons that must be added to the conductor so it has a final charge of -2.5 C. (Your answer will be a number, which is unitless.) 2) When placed 5 cm away from an unknown charge Q, a 0.5 x 10° C charge experiences a repulsive electric force of magnitude 11.2 N. Calculate the magnitude of the charge on Q. (Give your answer in coulombs but don't include the units.) thuser-0&usp-docs web 20 F4 F7 F9 F10 %23 %24 * 3 4 5 6 7 80 9.
- Two protons in a molecule are 3.90 10-10 m apart. What must be a particle's charge-to-mass ratio if the magnitude of the gravitational force between two of these particles is equal to the magnitude of electric force between them? C/kgTwo objects charged with an equal amount of charge interact with each other with a force of 4.37 Newton when separated by a distance of 15.2 cm. Determine the magnitude of the charge on each object. Answer:_______x10-6 C Enter only the coefficient of the scientific notation. For example, you'd enter just just 1.27 if you get 1.27x10-⁹.