A proton, mass 1.67 x 10-27 kg, is projected horizontally midway between two parallel plates that are separated by 0.10 cm, with an electrical field with magnitude 470,000 N/C between the plates. If the plates are 2.90 cm long, find minimum speed of the proton that just misses the lower plate as it emerges from the field.

Q: Estimate the amount of energy Δ⁢E released in a typical “finger‑to‑door knob” spark after a person…

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Q: In a beam of protons, each proton has a speed of 4.90x 105m/s. The beam enters a region between…

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Q: In Figure (a), a particle of charge +e is initially at coordinate z = 20 nm on the dipole axis…

A: When the charge +e is at distance 20 nm from the dipole center, r=20 nm=20×10-9 mThe potential at…

Q: A proton and an alpha particle (charge = 2e, mass = 6.64 ✕ 10−27 kg) are initially at rest,…

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Q: In Figure (a), a particle of charge +e is initially at coordinate z = 20 nm on the dipole axis…

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Q: Consider the arrangement of three small charged spheres, each of mass 12 g, shown in the figure. The…

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Q: -Z +Z -27 Three charges are on a line as shown. An electron (charge -e, mass m) is released from…

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Q: Point charges Q1=1 nC, Q2 = -2 nC, Q3-3 nC, and Q4 = -4 nC are positioned in that order at (0, 0,…

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Q: In an electron microscope, there is an electron gun that contains two charged metallic plates 2.40…

A: (a) 3.466 x 10-16 J. (b) 1.444 x 10-14 N. (c) 1.587 x 1016 m / s2. (d) 1.739 x 10-9 s.

Q: An old TV has a cathode ray tube that has an electric potential difference of 1.60x10^4 V across…

A: Given Potential difference=1.6*10^4 V d=12 cm q=charge on an electron=-1.6*10^-19 C

Q: A pair of oppositely charged parallel plates have a uniform -field of magnitude 7500 N/C in the…

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Q: Consider two point particles that have charge +e, are at rest, and are separated by 1.50 x 10-15 m.…

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Q: In a nuclear physics experiment, a proton (mass 1.67×10−27 kg charge +e=+1.60×10−19 C) is fired…

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Q: kg) are initially at rest, separated by A proton and an alpha particle (charge = 2e, mass = 6.64 (a)…

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Q: An electron is moving along the B field with speed v, to the right. What is the direction of the…

A: The electron is moving along the field B with a speed v, towards right.

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Q: Two protons at rest and separated by 6.00 mm are released simultaneously. What is the speed of…

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Q: Particle A (mass = m, charge = Q) and B ( mass= m, charge =5 Q) are released from rest with the…

A: Given: For particle A Mass = m Charge = Q = 12 µC For particle B: Mass = m Charge = 5 Q = (5 X 12)…

Q: If an electron is accelerated from rest through a potential difference of 9.9 kV, what is its…

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Q: A small pith (Styrofoam ) ball of mass 0.20 g and charge 6.0 x 10^-4 C is dragged through a…

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Q: a)an electron accelerates from rest in a uniform electric feild E=6.0*10^3 to a speed of…

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Q: A particle of charge Q and mass M is launched with speed Vo to the right into an electric field of…

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Q: proton and an alpha particle (charge = 2e, mass = 6.64 ✕ 10−27 kg) are initially at rest, separated…

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Q: A proton accelerates from rest in a uniform electric field of 640 N/C. At one later moment, its…

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Q: In Figure (a), a particle of charge +e is initially at coordinate z = 20 nm on the dipole axis…

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Q: Two protons are released from rest with a distance d between them. Because of their mutual…

A: Given that:- Initial seperation between two protons=d

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.