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3 years ago

Why does a torque rod have a stronger magnetic field than a torque coil?

1 answer:

8 0

Magnetic torquer or torque rod are essentially sets of electromagnets that are laid out to create a magnetic field that interfaces with an ambient magnetic field, so that the counter-forces produced is a stronger magnetic force. In addition, its magnetic field strength increases with the current due to the rod that has field lines pointing in the same direction, closed together and nearly parallel with uniformly spaced. This set up indicates that the field of a torque rod produced powerful magnetic field than a torque coil.

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Answer:

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3 years ago

Define s.i unit of force explanation

kvv77 [185]

<h3>Answer :</h3>

◈ As per newton's second law of motion, Force is defined as the product of mass and acceleration $.$

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4 years ago

A TV is rated at 0.1 kW. This TV is used 3 hours per day. How much energy does the TV use per month (in kWh)?

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3 years ago

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3 years ago

An airplane is flying from Dallas, Texas to Pensacola, Florida. Flying at maximum velocity, it encounters strong winds moving at

jenyasd209 [6]

Answer:

G. It will take twice as long.

Explanation:

Let's call $v$ the original speed of the plane and $d$ the distance between Dallas and Pensacola. The time the plane originally takes to complete the flight is

$t=\frac{d}{v}$

In this problem, we are told that the plane encounters wind moving at half of its speed: $\frac{v}{2}$ , in the opposite direction. This means that the new speed of the plane is

$v'=v-\frac{v}{2}=\frac{v}{2}$

And so, the time the plane takes now to complete the flight is

$t'=\frac{d}{v/2}=2\frac{d}{v}=2t$

So, the plane takes twice the time as before.

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3 years ago