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Which maxwells equations represents the electric field of a point particle and what equation does it reduce to?
E = cB
Kirchofs loop law
V = IR
or Vc
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Solved in 2 steps with 1 images
- A geiger counter consists of a 50mm diameter grounded tube with a wire of 25m diameter at +700v in the centre what is the electric field at the tube wall ?Choose the correct answer. Lightning is a visible electrostatic discharged of very high potential ranging from about 100,000 V to 3 Million V in a regular stormy atmosphere to impact potential damage of about 1 Gigajoule of energy. This natural phenomena occurs in order a. to neutralize the charge separation between clouds b. to bridge the gap between two highly ionized but oppositely charged clouds c. for negatively charged cloud particles to seek "ground" level d. any or all of the above theoriesConsider the following experiment: (http://ophysics.com/em6.html) time in field = 91 ns Run Reset Show Voltage Show Electric Field Intensity Voltage (V) 50 Distance Between Plates (cm) Show Grid I cm Initial Velocity (x 10 m/s) 5 Charge of Particle (uC) 1.2 Particle Mass (x10-16 kg) The charged particle hits the plate at point A. We want to change the parameters such that in the next run the particle will hit a point to the right of A on the plate. Which operation given below is not suitable for this purpose? We can only control the potential difference between the plates, the distance between the plates and the initial velocity of the particle. Select one: O Increasing the initial velocity of the particle O All of the other options are suitable for making the particle hit to the right of A Decreasing the potential difference between the plates Decreasing the distance between the plates
- Use the following constants if necessary. Coulomb constant, &= 8.987 x 10°N. m/ce 0- 8.854 x 10-12/m me= 9.10938356 x 10-3g means micro coulomb Vacuum permitivity, . Magnitude of the Charge of one electron, e=-1.60217662 x 10-1 . Mass of one electron, Unless specified otherwise, each symbol carries their usual meaning. For example, pC Consider two charges gl = 37e and 2= 18 e at positions (20, 38, 37) and ( 40) respectively where all the coordinates are measured in the scale of 10-m or nano meters. If position vector of the charge g1 is 1 and charge a is a) Find the relative position vector that points from charge g to charge . - component Give your answer to at least three significance digits. y component Give your answer to at least three significance digits. m. I component Give your answer to at least three significance digits. m. b) Calculate the force actir a due to 2. I component of the force Give your answer to at least three significance digits. y component of the force Give…The electric field strength between the plates of a simple air capacitor is equal to the voltage across the plates divided by the distance between them. When a kV voltage of 135. V is put across the plates of such a capacitor an electric field strength of 1.1 is measured. cm Write an equation that will let you calculate the distance d between the plates. Your equation should contain only symbols. Be sure you define each symbol. Your equation: d=0 Definitions of your symbols: kV = 1.1 cm 135. V Explanation Check 20 E A S tv Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | AccessibIn the diagram below, each division on the horizontal axis is 0.20 m while each division on the vertical axis is 1.5 V. What is the electric field in each of the regions specified below? a. from 0.0 m to 0.30 m b. from 0.30 m to 0.70 m c. from 0.70 m to 0.80 m
- If a test charge of 9.25 mC is in a electric field that produces 1.2025 N. What is the intensity of the electric field? O 13 N/C O 103 N/C O 100 N/C O 130 N/CTopic 1: Electric Fields Q1) What is the approximate direction of the electric field at point P? A. Northeast B. Southeast C. Southwest D. Northwest Q2) If the grid lines shown are spaced by 1 cm, what is the approximate magnitude of the electric field at point P? A. 1000 V/m. B. 3000 V/m C. 7000 V/m D. 13000 V/m 10 V O 50 V 30 V PIn an experiment replicating Millikan’s oil drop experiment, apair of parallel plates are placed 0.0200 m apart and the top plate is positive.When the potential difference across the plates is 240.0 V, an oil drop of mass2.0 × 10-11 kg gets suspended between the plates. (e = 1.6 × 10-19 C)a. Draw a free body diagram to describe the situation.b. What is the charge on the oil drop?c. Is there an excess or deficit of electrons on the oil drop? How many electrons are in excess or deficit?
- Time left 0:26:2 Which of the following is true in the first part of the electric Field Mapping Experiment? O a. The galvanometer reads the potential difference between the pointer and the cathode. O b. If the reading of the galvanometer for a given position of the pointer and a given position of the sliding contact along the rheostat is zero, then if the sliding contact is moved the galvanometer will be different from zero. O . The galvanometer measures the electric field between the anode and the cathode. O d. The galvanometer is used to find points between the two electrodes that have the same potential as the cathode. O e. If the sliding contact along the rheostat is kept at the same position there is only one position of the pointer between the two electrodes for which the galvanometer reads zero. Clear my choiceWhich of the following is TRUE?A. Electrostatic fields are non-conservativeB. An electrostatic field does non-zero work in a moving charge around a closed loopC. There is no potential function corresponding to an induced electric fieldD. The work done on a moving charge by an induced electric field is path-independentArrival time, td, is directly (not inversely) proportional to what properties? electric field strength and drift length charge and temperature O charge and drift distance drift gas pressure and cross section
