If the potential difference across the filament is 120 V, what is the strength of the electric field inside the filament

200 N/C

Explanation:

Given that the length of a 60 W, 240 & Omega light bulb filament is 60 cm. If the potential difference across the filament is 120 V, what is the strength of the electric field inside the filament?

The parameters needed from the question are:

Potential difference V = 120v

Distance ( Length) = 60 cm

Convert cm to m by dividing it by 100

Distance = 60/100

Distance = 0.6 m

The formula for electric field strength E is:

E = V/d

Where

V = potential difference

d = distance

Substitute those parameters in the formula

E = 120 / 0.6

E = 1200 / 6

E = 200 N/C

Therefore, the strength of the electric field inside the filament is 200N/C

! 55 !  

write a paragraph or story to explain the transformation between potential and kinetic energy as shown in your picture or model.  

you should have at least 5 complete sentences with a main idea and supporting details.  

you must include the following words:  

potential energy

kinetic energy

mechanical energy

conservation of energy

dude, this is hard lol : ))

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

                                              ⇒      

here   k is the proportionality constant whose value is 1.

                                                            [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.