Sophomore Physics elective 3 1 3 2 formula

People's Education Edition High School Physics (Elective 3-2) Formula.

1.φ=bssinθ

is the magnetic flux (wb) b is the magnetic induction intensity (t) s is the area (m) sin is the sinusoidal value of the angle between the direction of the magnetic field and the surface of the conductor;

e is the induced electromotive force (v) and n is the number of turns (turns).

is the amount of change in magnetic flux (wb) δt is the time of change in magnetic flux (s);

The derivation formula is e=n=ns=nb=blvsin b is the magnetic induction intensity (t) and s is the area (m).

s is the area of change (m), b is the intensity of magnetic induction (t), l is the effective length (m), and v is the velocity (m s).

sin is the sine value of the angle between the direction of the magnetic field and the direction of motion;

Derivation formula: f amps = q = n p amps = p electricity = f ampere force (n) vm is the maximum speed (m s) r is the total external resistance ( ) r is the total internal resistance ( ).

r conductance is the resistance of the conductor itself ( ) p ampere is the power of the ampere force (w) p electricity is the electrical power (w) v is the speed (m s);

Self=le, self-induced electromotive force (v) l is self-inductance coefficient (h), δi is the change self-inductance current, (a), δt is the change time (s);

e is the electromotive force (voltage) (v) em is the peak value of the electromotive force (voltage) (v) is the angular velocity of the coil rotation (rad s) t is the time (s);

em is the peak value of the electromotive force (voltage) (v), n is the number of turns (turns), b is the magnetic induction intensity (t), and s is the area (m).

is the angular velocity of the coil rotation (rad s);

t is the period (s) f is the frequency (hz);

um==i is the RMS value of the current (a) IM is the peak value of the current (A) U is the RMS value of the voltage (V) um is the peak value of the voltage (V);

8.U1 is the voltage at both ends of the primary coil (V) U2 is the voltage at both ends of the secondary coil (V), N1 is the number of turns (turns) of the primary coil, and N2 is the number of turns (turns) of the secondary coil;

Derive the formula: n1i1=n2i2

i1 is the current in the primary coil (a) i2 is the current in the secondary coil (a) n1 is the number of turns (turns) of the primary coil n2 is the number of turns (turns) of the secondary coil;

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.

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/v₀)²

Deflection angle: =v v =qux md(v) microscopic electrosheltered reed current: i=nesv

Non-electrostatic work of power supply: w= q

Ohm's law: i = u r

Series circuits. Current: i i i

Voltage: uu u u

Parallel rattling circuit.

Voltage: u = u = u =

Current: ii i i

Resistance in series: rr r

r resistors in parallel: 1 r

1/r₁1/r₂1/r₃

Joule's law: q=i

rtp=i²rp=u²

r electric power: w = uit

Electric work: p=ui

Law of resistance: r = l s

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

r) = u.

u. Ampere: f=ilbsin

Magnetic flux: macrobeam = 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

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 Yinhuiyan: U??

Work done by electrostatic force: w???qu???

Capacitance definition: c=q u

Capacitance: c = s 4 kd

The motion of charged blue mass 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: uu??

u??u??

Parallel circuits. Voltage: u??=u??=u??=

Current: II??

i??i??

Resistance in series: r

r??r??r??

Resistors in parallel: 1 r

1/r??1/r??1/r??

Joule's law: q=i

rtp=i??

rp=u??

r electric power: w = uit

Electric work: p=ui

Law of resistance: r = l s

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

r) = u.

u. 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 electric front momentum: e=lδi δt