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3 years ago

The reason an electric current can create a magnetic field is due to the phenomenon of

Physics

1 answer:

Alex Ar [27]3 years ago

8 0

Electromagnetic induction

Explanation:

Electromagnetic induction is defined as the production of voltage using the magnetic created by the electric current.
The magnetic field is one of the components of electric lines. The other component is the electric field
When the electricity is passed through a metallic conductor is acts as a temporary magnets
Electromagnetic induction happens when the flux lines around a magnetic field are cut by the coils.
The field lines in the permanent or temporary magnets are always from the North pole to south pole.

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A net force of 500 newtons causes

Nadusha1986 [10]

Answer:

<h3>The answer is option A</h3>

Explanation:

To find the mass of an object given it's acceleration and the force acting on it we use the formula

$mass = \frac{force}{acceleration} \\$

From the question

force = 500 N

acceleration = 5.0 m/s²

We have

$mass = \frac{500}{5} \\$

We have the final answer as

Hope this helps you

4 0

3 years ago

The linear impulse delivered by the hit of a boxer is 202 N · s during the 0.244 s of contact. What is the magnitude of the aver

zlopas [31]

Answer: Magnitude of the average force exerted on the glove by the other boxer is 827.86 N (approximately 828 N).

Explanation: Impulse is defined as the force acting on an object for a short period or interval of time.

Mathematically it is given by the relation:

Impulse = Force $\times$ Time

According to the numerical values given in the question, I = 202 Ns and T = 0.244 s

So, Force F = $\frac{Impulse}{Time}$ = $\frac{202}{0.244}$ = 827.86 N

Magnitude of the average force exerted on the glove by the other boxer is 827.86 N (approximately 828 N).

7 0

3 years ago

If there is an unbalanced force acting on an object, the object will?

Nonamiya [84]

Answer:

Explanation:

because newton's second law states that if a resultant force acts on an object then, it will accelerate in the direction of the resultant force

4 0

3 years ago

An ideal spring is hung vertically from the ceiling. The spring constant is k = 125 N/m. A block of mass m = 650 g (1000 g = 1 k

Brrunno [24]

Answer:

0.102 m

Explanation:

k = spring constant of the spring = 125 N/m

m = mass of the block attached to the spring = 650 g = 0.650 kg

x = maximum extension of the spring

h = height dropped by the block = x

Using conservation of energy

Spring potential energy gained = Gravitational potential energy lost

(0.5) k x² = mgh

(0.5) k x² = mgx

(0.5) (125) x = (0.650) (9.8)

x = 0.102 m

3 0

3 years ago

a desktop computer and monitor together draw about 2 A of current they plug into a wall outlet that is 120 V what is the Resista

Delvig [45]

Answer:

$60 \Omega$

Explanation:

the relation between current, voltage and resistance in an electrical circuit is given by Ohm's law:

$V=IR$

where V is the voltage, I is the current and R is the resistance. In this problem, the current is I=2 A, the voltage is V=120 V, therefore we can arrange the previous equation and find the resistance:

$R=\frac{V}{I}=\frac{120 V}{2 A}=60 \Omega$

7 0

3 years ago