Lightning occurs when there is a flow of charges (principally electrons) between the ground and a thundercloud. The maximum rate of charge flow in a lightning bolt is about 20,000 C/s; this lasts for about 100 µs. How many electrons flow during this time?

Q: A proton (g = +1.6x10-19 C) is released from rest at point A in a uniform electric field that has a…

A: Let F denote the force on the proton due to the electric field denoted by E, and let q denote the…

Q: In Rutherford's famous scattering experi- ments (which led to the planetary model of the atom),…

A: The above problem can be understood as a case of energy conservation.As the charges on both the…

Q: The net charge on the metal sphere is +2.00 C. How many electrons were removed from the sphere? a.…

A: The net charge on the metal sphere is +2.00 C.

Q: When an electron moves from rest against a uniform electric field a distance of 10.0 cm it attains a…

A: From equation of motion, v2 = u2 + 2as Where, v = final velocity u = initial velocity a =…

Q: Two red blood cells each have a mass of 9.0××10-14 kg and carry a negative charge spread uniformly…

A:

Q: An electron is to be accelerated in a uniform electric field having a strength of 2.00×106 V/m. What…

A: ∆U=-Ed=-2.00×106 V/m0.400 m=-0.80×106 V

Q: From a distance L = 9.4cm, a proton is fired with a speed of v=4.0x10^6m/s directly at a large,…

A:

Q: A constant electric field accelerates a proton from rest through a distance of 1.60 m to a speed of…

A: When a charged particle moves in an electric field, some amount of work is done on the particle by…

Q: A charge of + 30 nC is distributed uniformly along the circumference of a circle with a radius of 20…

A: (E) 13.5 J

Q: Two red blood cells each have a mass of 1.55 × 10-14 kg and carry a negative charge spread uniformly…

A: Given Data: The mass of red blood cells is, m=1.55×10-14 kg The charge on first cell is, q1=-1.60 pC…

Q: A charge of 2.75 pC is held fixed at the origin. A second charge of 2.75 pC is released from rest at…

A:

Q: A proton and an electron are separately placed in a uniform electric field created inside a pair of…

A: The correct choice is option (2).

Q: A point charge q1 = +5.00 micro Coulomb is held fixed in space. From a horizontal distance of 6.00…

A: Given:-              By the law of conservation of energy top know the distance charge q2 at the…

Q: The membrane of a body cell has a positive ion of charge +e+e on the outside wall and a negative ion…

A: First charge (q) = +e  Second charge (q') = -e   Distance between charges (d) = 0.8 × 10-9 m

Q: An electron is moved by an external force at a constant velocity from a positively charged to…

A: Given, Electric field between the plates, E = 25000 Vm distance between the plates, d = 5 cm = 0.05…

Q: A charge of + 40 nC is distributed uniformly along the circumference of a circle with a radius of 10…

A: The charge Q=+40nC The radius r=10cm

Q: A charge of + 50 nC is distributed uniformly along the circumference of a circle with a radius of 15…

A: Total charge on circle Q = + 50 nC = + 50 * 10-9 C Radius of circle R = 15 cm = 0.15 m  Charge moved…

Q: A positive charge of 4.90 µC is fixed in place. From a distance of 3.20 cm a particle of mass 6.30 g…

A: The initial total energy of the system is equal to the sum of the potential energy and kinetic…

Q: Two spherical shells have a charge of q1 = 3 nC and q2 = 5 nC. The radius are r1 = 7.5 cm and r2 =…

A: Given:  We have, two spherical shell having charge & radii as: Shell A charge, q1=3 nC=3×10-9 C…

Q: 9A= 6stat C q0: 5nC= 15statc At Sam 3cml B q6=3statC 98=9statc 1

A: We are allowed to give the explanation of first three subparts of a question only which is given…

Q: A proton initially held at rest 2.0 m away from a fixed 25 µC charge is released. The proton…

A:

Q: A metallic sphere A of radius 1.00 cm is several centimeters away from a metallic sphere B of radius…

A: Given: A metallic sphere of radius 1.00 cm is several centimeters away from a metallic sphere B of…

Q: A van der Graaff generator belt takes 250 electrons up to the ball at the top every second. Assuming…

A:

Q: In Rutherford’s famous scattering experiments that led to the planetary model of the atom, alpha…

A:

Q: A 2.10  10-9 C charge has coordinates x = 0, y = −2.00; a 3.06  10-9 C charge has coordinates x =…

A:

Q: What is the electric-field strength between the identical, rectangular, conducting plates of a…

A:

Q: An ink-jet printer works by deflecting charged drops of ink by a uniform electric field An ink drop…

A:

Q: A spherical conductor of radius 5 cm and charge 200 nC. Find the work needed to move a 4 mC charge…

A: Given Quantities:

Q: An electron is to be accelerated in a uniform electric field having a strength of 0.5 x 106 V/m.…

A: Given :E=0.5 x 106 V/md=0.400 m

Q: Calculate the change in the kinetic energy Δ?,ΔK, potential energy Δ?,ΔU, and total energy Δ?ΔE of…

A: The change in charge’s kinetic energy can be given by work-energy theorem as, Here, K, W, F, Fe, E,…

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: The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively.…

A:

Q: An electric field is 4 X 10° V/m at an angle of 30° to the x axis. A charge undergoes a displacement…

A: Electric field is the negative gradient of electric potential.  E = - dV/dr

Q: An electron with charge e and mass m is accelerated from rest through a potential V over a distance…

A:

Q: A-3.00 µC charge is fixed in place at the origin. If a small particle having charge -4.00 µC and…

A:

Q: The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively.…

A:

Q: A constant electric field accelerates a proton from rest through a distance of 2.15 m to a speed of…

A: Given: The distance traveled by the proton is 2 .15 m. The initial speed of the proton is 0 m/s. The…

Q: In Rutherford's famous scattering experiments (which led to the planetary model of the atom), alpha…

A: charge on Alpha Particle=+2e Charge of gold nucleus= +79e Speed at which alpha particle was fire=…

Q: A charge of + 20 nC is distributed uniformly along the circumference of a circle with a radius of 15…

A: Given data:The distributed charge is q1=20 nC. The distributed charge is q2=50 nC. Radius of sphere…

Q: The ink drops have a mass mmm = 1.00×10−11 kg each and leave the nozzle and travel horizontally…

A:

Q: A spherical balloon contains a positively charged particle at its center. As the balloon is inflated…

A: Electric fied - A region around a charged particle or object within which a force would be exerted…

Q: A helium nucleus, called an alpha particle, has a charge of 2e and mass of 4mp, where e and m, are…

A:

Q: The surface charge density (eta) h of an infinite charged plane is -2.0 x 10-6 C/m2. A proton is…

A:

Q: Particle 1 has mass 3.00 g and charge +8.00 μC. Particle 2 has mass 6.00 g and the same charge. They…

A: mass of first particle (m) = 3 gmass of second particle (m') = 6 g Charge on each particle (q) = 8…

Q: In Rutherford's famous scattering experiments that led to the planetary model of the atom, alpha…

A: When the alpha particle is at very far distance from the gold nucleus, potential energy will be…

Q: The two equal and opposite charges with magnitude 1.7 HC and the third charge 2.8 uC is placed as…

A: Let the three charges be q1, q2, q3.The potential energy between two charges is given by,

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.