Physics, 10.03.2020 06:56 kadestew21

A standard electrical outlet has three wires connected to it: the hot, the neutral, and the ground. There is no potential difference between which pair of wires?

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Answer from: apowers6361

The neutral wire and the ground wire.

Explanation:

The black wire is the hot wire

The neutral wire provides the return path for the current provided by the hot wire.

The ground wire is connected to any metal parts in an appliance for example microwave.

A standard electrical outlet has three wires connected to it: the hot, the neutral, and the ground. There is no potential difference between the neutral wire and the ground wire.

Answer from: Quest

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 -

$f\alpha \frac{dp}{dt}$

⇒ $f= k \frac{dp}{dt}$

here k is the proportionality constant whose value is 1.

$f=\frac{dp}{dt}$

$f= \frac{d[mv]}{dt}$

$f= m\frac{dv}{dt} +v\frac{dm}{dt}$

$f=ma+v\frac{dm}{dt}$ [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.

Answer from: Quest

Ive never heard of creep meters

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