Can Ohm's law and Joule's law only be used in pure resistance circuits? Why?

Can Ohm's law and Joule's law only be used in pure resistance circuits? Why?

yes.
Because the formula is based on the complete conversion of electric energy and heat energy, and does not involve other forms of energy
For example, if the motor is an inductive load, Ohm's law is certainly not good; the work in Joule's law is thermal work, while the motor is mechanical work (not to mention loss)

On the distinction of the electric work calculation formula of the third stage
On the formula of electric power
P = UI is applicable to all circuits
But why
P = I ^ 2R and P = u ^ 2 / R
Only in pure resistance circuit?
Can all three formulas be converted?
Hope who can give me an image point answer
What kind of non pure resistance circuit does not convert all electric energy into internal energy
The answer is too abstract to understand
If there is an example analysis, it would be better!
This problem has been bothering me for a long time
Hope to get an easy to understand explanation
For example, the electric energy in the motor is not only converted into internal energy, most of the electric energy is also converted into mechanical energy
But at our present level
Generally, we don't separate the electric work of a non pure resistor from that of an electrical appliance
P = I ^ 2R = I * I * r = IU, such conversion is logical. Why should we use it differently
Is there any intuitive topic that can directly explain the difference
For example, what topic can only use p = UI, but not p = I ^ 2R or P = u ^ 2 / R

P = UI is to calculate the electric power consumed by electrical appliances. For example, in the motor, the electric energy is not only converted into internal energy, but also most of the electric energy is converted into mechanical energy
P = I ^ 2R and P = u ^ 2 / R are the electric power consumed by the resistance part of electrical appliances
Because electric energy is not converted into other forms of energy (magnetic energy, chemical energy) in pure resistance circuit, Joule's law and P = UI can be used,

On the problem of electric work and Joule's law!
Why are some formulas for calculating electric work the same as those for Joule's law?

It is because whether it is a pure resistance circuit or not. The electric energy generated by the circuit may not be converted into the thermal energy of the resistance in the circuit, but may be converted into mechanical energy or other forms of energy. For example, the motor connected in the circuit is converted into thermal energy and kinetic energy. Therefore, it is necessary to judge whether it is a pure resistance circuit before making a problem

In the home lighting circuit, if the total number of incandescent lamps inserted into the circuit is n, the total power of electrical appliances is p, and the total resistance of electrical appliances is r, the relationship between them is ()
A. The bigger n, the smaller R, the smaller P. the bigger B. n, the bigger R, the bigger P. the bigger C. n, the smaller R, the bigger P. the bigger D. n, the bigger R, the smaller P

In the home circuit, each incandescent lamp should work independently. They are in parallel. The reciprocal of the total resistance of the parallel circuit is equal to the sum of the reciprocal of the resistance of each electrical appliance. The smaller the resistance is, the larger the total number of incandescent lamps n is, the smaller the total resistance R is, and the voltage is fixed. From P = u2r, we can see that the total power P of the circuit is larger, so abd is wrong, and C is correct