Sophomore Physics Elective 3 1, all the formulas in it, don t type out the letters of the law, see t

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).

Commonly used formulas 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.

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

I can't show your problem here!

Commonly used formulas in electromagnetism.

Electric field strength: e=f q

Point charge electric field strength: e=kq r2

Uniform electric field: e=u d

Electric potential energy: e? =qφ

Potential difference: u = - ?

Electrostatic force work: 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 * mv2 = 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?)2

Deflection angle: =v v?=qux/md(v?2 Microscopic 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?+

Resistance in series: r = r?+r?+r?+

Resistors in parallel: 1 r = 1 r?+1/r?+1/r?+ Joule's law: Q=I2 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

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).