How do you enter the symbols of electricity and physics and high numbers?

Office's formulator is not very easy to make.

For physics, I recommend using mathtype, the symbol function is relatively complete, at least in the undergraduate range I haven't encountered a formula that can't be played.

A formula tool called mathtype,Word will be installed by default.,But you can also use this control alone.,Generally in word, it's used to insert a mathtype class in the object list after selecting an object.。 There's this tool in your office installation directory.,If you don't have it, there's a lot on the Internet.,Office2003It seems to be the version.,2007 I don't know the specifics.,But it's the same.。

There are special formulators, which can also be carried out with professional software, such as scientific workplace, matlab, macular, etc.

Complex ones can be used in formulators, and simple points are also available in Google Input Method.

There is a formulator in Word, which can be entered.

Enter the score using the formulator method.

This is done by selecting "Insert" > "Object" from Word or the menu bar, then selecting "Microsoft Formulas" to get any formula you want. (The prerequisite for using this method is that you have "Microsoft Formulas" installed on your computer.)

Magnetic induction intensity b (t).

Induced current I (a).

Induced electromotive force e (v).

The current is subjected to a force (ampere force) f (n) in a magnetic field

Magnetic flux (wb).

Resistance r( ).

Charge Q (c).

Electrical power p(w).

Electric heating q(j).

Electrical work w (j).

Length s or h or l

Kilometers (km), meters (m), centimeters (cm), etc

Meters and seconds (m s) kilometers and hours (km h) volume v cubic meters (m3) liters (l) milliliters (ml) mass m

Tons (t) kilograms (kg) grams (g) density

kilogram m3 (kg m3) g centimeter3 (g cm3) temperature t or t

Kelvin (k) degrees Celsius ( ) calorific value q

Joules kilograms (j kg) joules m3 (j m3) specific heat c joules (kg *) j (kg *) heat q joules (j) frequency f

Hertz (Hz) force f

Newton (n) gravitational g

Newtonian (n) friction f

Newton (n) energy e

Joule (j) function w

Joule (J) power p

Watts (W) kilowatts (kW) electricity q

Coulomb (c) current i

Amps (a) milliamps (mA) microamps (a) voltage u

Volts (V) millivolts (mV) kilovolts (kV) resistance r

Ohms ( ) kiloohms (k) megaohms (m) electrical energy w

Joule (J) degrees, kilowatt hours (kWh).

Ampere (a), magnetic induction intensity (b), Tesla (t) 1t = 1n (a*m).

f (Lorentz force) = qvb e (electromotive force) = BLV (kinetic) e = l (self-inductance coefficient) * l t (induced electromotive force, where l, t is the amount of change) p (electrical power) q (electrical energy).

1. Amount of electric charge.

q, unit: c,2, elemental charge: e; 1e=e=

3. Current: i, unit: a

4. Voltage: U, Unit: V

5. Resistance: r, unit:

6. Electric work: w, unit: j

7. Electric power: p, unit: w

Voltage U, in volts (V) Note: The symbols in parentheses are in.

Current i, in amperes (a).

Resistance r, in ohms ( ).

Electrical power p, in watts (W).

Electrical work w, unit joule (j) The symbol for electrical work is also "w", so please not be confused with the watt symbol "w".

The following is how each value is calculated (represented by symbols).

u i=r, i*r=u, i*u=p, p*t(time)=w(work).

Q: Charge (Coulomb) Current I, Voltage U, Potential E, Electric Energy W, Power P, Active Power P, Reactive Power Q, Talking Rate S, Frequency F, Electricity Q, Resistance R, Inductance L, Mutual Inductance M, Capacitance C, Conductivity G, Resistivity, Conductivity, Dielectric Constant, Dissipation or Electric Field Strength E, Magnetic Flux, Magnetic Induction Intensity (..

'For example, e=f q, f must be positive, if q is negative, then should you bring it in? In this way, E is negative. '

Answer: The minus sign of q is not included in the calculation, e is the vector, and after the result is calculated, the sign determines the direction of e.

There is also e= q (to find the field strength at a certain point, q is negative, so should you bring it in?) ）'

Answer: This idea is wrong, it is =ep q, this formula is not in the book, it is used to help understanding, ( The electric potential is the ratio of the electric potential energy of the (ep) charge to the amount of charge of the electric charge. It is the electric potential energy and not the field strength, and it is EP and not E.

Of course, you don't need to bring in symbolic calculations. 'U=ed, when U is negative, then E must be negative, so what should I do? '

Answer: You and E are both vectors, symbolic table directions, which can be brought into the calculation, and the result is negative, i.e. you and e are in opposite directions. But it's better not to bring in the calculations, find the value first, and then judge the direction.

Ask the master to explain!! Or maybe I'm wrong. '

Answer: I'm really not a master, and I happen to be studying this chapter, and I said it again if you think wrong.

In physics, the plus and minus signs of a vector simply indicate that the result of the calculation is in the opposite direction to the original positive direction.

You can list the time-quantity relations and then count each vector with the symbol.

Or write the vector equation in the direction, solve it, and then finalize the symbol in determining the direction.

The positive direction is set by yourself, the power is positive, and if it is negative, it has to be negative.

Electrical symbols of physical quantities.

1. Charge: Q, unit: C, 2. Elemental charge: E; 1e=e=

3. Current: i, unit: a

4. Voltage: U, Unit: V

5. Resistance: r, unit:

6. Electric work: w, unit: j

7. Electric power: p, unit: w

Length m m

Weight kg kg

Time seconds

Current intensity Amps a

Thermodynamic temperature Kelvin k

The amount of a substance in moles mol

Luminous intensity Candela CD

Area sqm m2

Volume cubic meters m3

Molar volume is cubic meters per mole m3 mol

Frequency: Hz (1 s).

Density kg per cubic meter kg m3

Molar mass kilograms per mole kg mol

Velocity m s per second

Angular velocity rad s per second

Force Newton n

Pressure Pascal Pa(n m2).

Surface tension in Newtons per meter n m

Impulse, momentum Newton-seconds n·s

Work, energy, heat, enthalpy joules j(n·m).

Molar energy, molar enthalpy joules per mole j mol

Power w(j s).

Heat capacity, entropy joules per Kelvin j k

Molar heat capacity, molar entropy joules per mole of Kelvin j (mol·k) and specific heat joules per kilogram of Kelvin j (kg·k).

Electricity Coulombs c(a·s).

Voltage, electromotive force volts v(w a).

Resistance Ohm (V a).

Magnetic flux Weber (wb).