Anyone can give me the formulas related to electricity and magnetism

Electric field strength: e=f q

Point charge electric field strength: e=kq r

Uniform electric field: e=u d

Electric potential energy: e = q

Potential difference: u = -

Work done by electrostatic force: w = qu

Capacitance definition: c=q u

Capacitance: c = s 4 kd

The motion of charged particles in a uniform electric field.

Accelerated uniform electric field: 1 2*mv = qu

v² =2qu/m

Deflection of uniform intensity electric field:

Vertical acceleration: a=qu md

Vertical displacement: y=1 2*at =1 2*(qu md)*(x v).

Deflection angle: =v v =qux md(v) micro-current: i=nesv

Non-electrostatic work of power supply: w= q

Ohm's law: i = u r

Series circuit Current: i = i = i = ......Voltage: u = u + u + u +

Parallel circuit voltage: u = u =u = ......

Current: i = i + i + i +

Resistors in series: r = r + r + r +

Resistors in parallel: 1 r = 1 r + 1 r + 1 r + Joule's law: q = i rt

p=i² r

p=u² /r

Electrical power: w=uit

Electric work: p=ui

Law of resistance: r = l s

Ohm's law for all circuits: =i(r+r).

U outside + U inside.

Ampere: f=ilbsin

Magnetic flux: =bs

Electromagnetic induction Induced electromotive force: e=nδ δt

Wire cutting magnetic inductance line: δs=lvδt

e=blv*sinθ

Induced electromotive force: e=lδi δt

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The electromagnetism formulas are:

1. Coulomb's law.

2. Electric field strength.

e=f/q。

3. Point charge.

Electric field strength: e=kq r.

4. Uniform electric field.

e=u/d。

5. Electric potential energy: ea=q a ea: the electric potential energy of the charged body at point A (J), Q: the electric amount (C), A: the electric potential at point A (v)}.

6. Potential difference.

uab=wab/q。

7. Electrostatic force.

Work done: w=qu, u is the potential difference between the electric field at the beginning and end of the charge motion, and q is the charge of the charge.

8. Capacitance definition: c=q u.

9. Capacitance: C= S 4 kd.

Introduction to Physics:

Electromagnetism is a sub-discipline of physics that studies the interaction between electricity and magnetism, as well as their laws and applications. According to the viewpoint of modern physics, the phenomenon of magnetism is produced by moving electric charges, so the scope of electricity must include magnetism to varying degrees.

Therefore, it is difficult to distinguish between electromagnetism and electricity, and "electricity" is sometimes used as an abbreviation of "electromagnetism".

The above content reference: Encyclopedia - Electromagnetism.

Electromagnetism. The formula is b= 0in l. Electromagnetism is the passage of an electric current through a straight metal wire, then a circular magnetic field will be generated in the space around the wire. The greater the current flowing through the wire, the stronger the magnetic field generated. The magnetic field is circular and surrounds the wire.

The direction of the electrogenerated magnetic field can be traced according to the "right-hand spiral rule."

Also known as the "Ampere's Rule."

One" to determine: Hold the straight wire with your right hand and point your thumb in the direction of the current, then the direction in which the four fingers are bent is the direction of the magnetic field. In fact, the magnetic field generated by this straight wire is similar to the effect of placing a circle of small magnets around the wire with the ends of the NS poles connected.

Formulas that must be mastered in electromagnetism:

Electric field strength: e=f q

Point charge electric field strength: e=kq r

Uniform electric field: e=u d

Electric potential energy: e=q Potential difference: u

Work done by electrostatic force: w = qu

Capacitance definition: c=q u

Capacitance: c = s 4 kd

The motion of charged particles in a uniform electric field.

Acceleration uniform electric field: 1 2*mv=quv

2 qu m deflection uniform electric field:

Vertical acceleration: a=qu md

Vertical displacement: y=1 2*at

1/2*(qu/md)*(x/v)

Deflection angle: =v v=qux md(v).

Micro current: i = nesv

Non-electrostatic work of power supply: w= q

Ohm's law: i = u r

Series circuits. Current: i=i=i

Voltage: u = u + u + u +

Parallel circuits. Voltage: u=u=u=

Current: i = i + i + i +

Resistance in series: r

r+r+r+

Resistors in parallel: 1 r

1/r+1/r+1/r+

Joule's law: Q=IRTP=I

rp=ur electrical power: w=uit

Electric work: p=ui

Law of resistance: r = l s

Ohm's law for all circuits: =i(r+r).

U outside + U inside.

Ampere: f=ilbsin

Magnetic flux: =bs

Electromagnetic induction. Induced electromotive force: e=nδ t

Wire cutting magnetic inductance line: δs=lvδt

e=blv*sinθ

Induced electromotive force: e=lδi δt

.Magnetic induction intensity is a physical quantity used to express the strength and direction of the magnetic field, which is a vector, unit t), 1t 1n a?m