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3 years ago

A wire 48 m long carries a current of 18 A from west to east.

Mathematics

1 answer:

Arisa [49]3 years ago

4 0

Step-by-step explanation:

Given that,

The length of a wire, L = 48 m

Current in the wire, I = 18 A (west to east)

The magnetic field in the wire, B = $8.3\times 10^4\ T$ (towards south)

The magnetic force acting on the wire is given by :

$F=I(L\times B)\\\\F=48\cdot18\cdot8.3\cdot10^{-4}\ N\\\\F=0.71\ N$

Using right hand rule, the direction of magnetic force is upwards.

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Factor the expression. k2 + 5kf – 50f2

g100num [7]

Answer:

We have

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Step-by-step explanation:

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marta [7]

Given:

The expression is:

$x^2-3x+4+2x^2-x-12$

To find:

The terms and like terms in the expression.

Solution:

Terms: Variables, constants and product of variable and constants are known as terms which are separated by addition sign "+".

Like terms: The terms which contain same variables with same power are known as like terms.

The given expression is:

$x^2-3x+4+2x^2-x-12$

It can be rewritten as:

$x^2+(-3x)+4+2x^2+(-x)+(-12)$

Terms are $x^2,-3x,4,2x^2,-x,-12$ .

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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