Electricity and Magnetism Answers

find the total capacitance for three capacitors connected in series, given their individual capacitances are 1.0 F, 5.0 F, and 8.0 F. ( 0.755 microfarad)

What is the magnitude of the electric force of attraction between an iron nucleus

(q = −26e) and its innermost electron if the distance between them is 1.5 × 10−12m?

A solenoid of length 2.2m has a diameter of 0.9. The magnetic field at its centre is 0.4tesla . estimate the energy stored in the field of this coil.

What is the change in potential energy when a +3.5 C point charge was moved from a negative plate to a positive plate with a potential difference of 8V?

What is the magnitude of the electric field between parallel plates with 25 V of potential difference and placed 25 cm apart?

A point charge q1 = +2.80 µC is at origin. How far should the second point charge of +5.20 µC be placed to have electric potential energy of 0.600 J?

A point charge has a charge of 8.00 x 10-11 C. At what distance from the point charge is the electrical potential (a) 12.0 V? (b) 24.0 V?

1. Two charges Q1=-5 NC and Q2=-7 nc are separated by 8 cm. Calculate tHe electric potential at point.

2. A research van de Graaf generator has a 2.50 mm diameter sphere with a charge of 6.00 UC on it.

A. What is the potential near its surface?

B. At what distance from its center is the potential 1.50 MV?

Two point charges are placed as follows: charge q1 = -1.50 nC is at y = +6.00 m and charge

q2 = +3.20 nC is at the origin. What is the total force (magnitude and direction) exerted by

these two charges on a negative point charge q3 = -5.00 nC located at (2.00 m, -4.00 m)?

1.Consider the electric flux Φ E=E⋅A of a uniform electric field (whose magnitude is E

) that makes an angle θ with the unit vector n that is normal to a rectangular surface whose area is A. Then the electric flux ΦE can be shown to be equal to:

a. 0

b. EA

c. EA n

d. EA cos θ

2.The flux ϕE=28N⋅m^2/C through the open surface A=6i+10j+5k is given. Find the value of a if the electric field is E=−ai +8k Value of "a"