The electron gun in a television tube is to accelerate electrons (mass 9.11 x 10-31 kg. charge 1.6 x 10-19 C) from rest to 4.0 x 107 m/s within a distance of 4.0 cm. What electric field is required? a) 1.28 x 10$ N/C, b) 8.53 x 104 NC, c) 1.14 x 105 NC d) 1.78 x 10$ NC.

Q: Starting from rest, a proton is accelerate through constant electric field. After travelling a…

A: mass of proton m = 1.67 × 10-27 kg  distance traveled =48 cm = 0.48 m Initial speed u = 0 Final…

Q: In the shown figure, if Q1 = 9 uC,Q2= 5uC, Q3= -2 uC, The resultant electric force on Q1 is Q1 0.50…

A:

Q: A helium ion, He*, is composed of a nucleus and an electron. The nucleus has two neutrons (charge…

A:

Q: 10. (a) Use E, to denote the x component of the electric field E. The graph below shows Ex as a…

A: Electric field: The electric field at a point is defined as the electric force on a unit positive…

Q: Two protons are separated by 5.29 x 10"1' meters. What is the magnitude of the electric field at the…

A: Separation distance between the proton is d = 5.29 x 10-11 m

Q: electron has an initial velocity of 5.00 x 106 m/s in a uniform 2.00 x 105 N/C strength electric…

A: F=qE

Q: An electron is accelerated by a constant electric field of magnitude 285 N/C. (a) Find the…

A:

Q: An electron is placed at rest in an electric field of 460 N/C. Which of the followings is the speed…

A: Here, the equation or the electric force can be given as The equation for acceleration force can be…

Q: oton's electric potential energy,

A: Electric potential energy U = - q.E.d Definition :- Electric potential energy is the energy that is…

Q: 16. A -9.3 μC charge is placed in an electric field, and feels a force of 0.24 N to the left. The…

A: Charge, q = -9.3 μC Force acting on charge, F = 0.24 N

Q: Problem 2: Space explorers discover an mA = 8.7 x 10¹7 kg asteroid that happens to have a positive…

A: Given: The mass mA is 8.7×1017 kg.            The value of charge qA is 4400 C.            The mass…

Q: A charged dust particle at rest in a vacuum is held motionless by an upward-directed 650 N/C…

A: Given  Electric field is given as E=650 N/C Mass of the particle is m=5.70×10-10kg

Q: If the electric field near a proton is 9.0×10^-3m, what is the distance from the proton?

A:

Q: If a = 7.4 mm, b = 3.6 mm, Q1 = 51 nC, Q2 = 88 nC, and q = 25 nC in the figure, what is the…

A:

Q: Two square, oppositely charged conducting plates measure 20 cm on each side. The plates are close…

A: Given: side of square a=20 cm = 0.2 mQ = ± 4.0 nC=±4×10-9 C

Q: An electron beam in an oscilloscope is deflected by the electric field produced by oppositely…

A: When a charge particle is placed in an electric field, it experiences an electric force which is…

Q: A proton is injected into a region of uniform electric field E (= 20 volts per meter) parallel to…

A:

Q: You pull your t-shirt out of the clothes dryer and note that 1471 particles have become attached,…

A:

Q: How far does the electron travel before coming to rest? Provide the solution:__________ x 10-4 m

A:

Q: simple and common technique for accelerating electrons is shown in the figure below, where there is…

A: Solution: Given: m = mass of electron = 9.11 x 10-31 kg e = charge on electron = -1.60 x 10-19 C E =…

Q: Problem 7 An electron is placed in a uniform electric field of 0.15 N/C. Assume that the velocity of…

A: The electric field intensity E=0.15 N/C. The time period t=10-3 s. Standard value: The charge of…

Q: An electron is placed at rest in an electric field of 510 N/C. Which of the followings is the speed…

A: Given:  Electric field, E = 510 N/C  time, t = 47 ns

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.