All categories

3 years ago

An electric current produces a magnetic field. a. True b. False

Physics

2 answers:

Anna35 [415]3 years ago

6 0

An electric current produces a magnetic field.
a. True
b. False
It's true

Agata [3.3K]3 years ago

3 0

The answer is true, an electric current does produce a magnetic field.

You might be interested in

A spacecraft in the shape of a long cylinder has a length of 100 m, and its mass with occupants is 1 480 kg. It has strayed too

maks197457 [2]

Answer:

2352645198509.9604 m/s²

Explanation:

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

M = Mass of black hole = $90\times 1.989\times 10^{30}\ kg$

$R_{f}$ = 10000+100 m

$R_{sb}$ = Distance between the nose and the center of the black hole = 10000 m

The difference in the gravitational field in this system is given by

$\Delta F=\dfrac{GMm}{R_{f}^2}-\dfrac{GMm}{R_{sb}^2}\\\Rightarrow \Delta g=GM\left(\frac{1}{R_f^2}-\frac{1}{R_{sb}^2}\right)\\\Rightarrow g=6.67\times 10^{-11}\times 90\times 1.989\times 10^{30}\left(\frac{1}{(10000+100)^2}-\frac{1}{10000^2}\right)\\\Rightarrow \Delta g=-2352645198509.9604\ m/s^2$

The acceleration is 2352645198509.9604 m/s²

4 0

3 years ago

A change in position of an object is its:

finlep [7]

Answer:

it's B I think I did this the other day tbh sorry if it's wrong btw hope this helps

8 0

3 years ago

How is potential energy converted to thermal energy in a system?

andrezito [222]

<span> thermal energy which, by causing pressure and performing work on the pistons, is transformed into the mechanical energy that accelerates the vehicle (increasing its kinetic energy).</span>

6 0

3 years ago

The momentum of an object is not dependent on which one of the following quantitiesa) acceleration b) inertiac) massd) velocity

amm1812

Answer:

Inertia

Explanation:

We have to find that on which quantity the momentum of an object does not depend.

We know that

Momentum of object=mv

Where m=Mass of object

v=Velocity of object

Momentum of object depends upon mass and velocity.

When velocity of object increases then momentum is also increases.

When the mass of object is increases then the momentum of object is also increases.

If mass decreases then the momentum of object decreases.

If velocity decreases then the momentum of object decreases.

Acceleration depends on velocity because

Acceleration= $\frac{dv}{dt}$

Therefore, momentum is also depend upon the velocity.

Inertia is defined as the property of object that resist change in its motion.

Therefore, momentum does not depend on Inertia of object.

7 0

4 years ago

A trumpeter plays at a sound level of 75dB. three equally loud trumpet players join in. what is the new sound level?

Serjik [45]

The answer is approx 87 decibels.

6 0

3 years ago