A wire 0.80m long carrying a current of 3.2A is perpendicular to a 0.15T magnetic field (B field). What

is the force on the wire? (Use F=BIL to solve!)

Input answer with 3 decimal places (for example: 555) and do NOT include the units!

E

1.344 N

Explanation:

The expression for the for on a wire carrying current in a magnetic field is given as,

F = BILsinФ Equation 1

Where F = Force on the wire, B = magnetic field, I = current, L = Length of the wire, Ф = angle between the conductor and the magnetic field.

Given: B = 0.15 T, I = 3.2 A, L = 0.8 m, Ф = 90° (perpendicular)

Substitute into equation 1

F = 0.15(3.2)(0.8)(sin90°)

F = 1.344 N

Hence the Force on the wire = 1.344 N

emily ruth's annual premium is $1058.50

step-by-step explanation:

emily ruth is a female of 27 years age purchasing 20 year endowment insurance with face value $25000.

from the given table,

for females, the age of a male 3 years younger should be used.

so, we have to check for 24 year male for 20 year endowment.

it is 42.34 for every $1000 face value.

for a face value of $25000,

it is 25 * 42.34 = $1058.50

∴ emily ruth's annual premium is $1058.50

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