Question

a 2. The magnetic moment of a field with current 12 A and area 1.6 units is (a) 19.2 (b)12.9 (c)21.9 (d) 91.2​

Answer 1

It is given by M = IA, where I = 12 and A = 1.6. Thus we get, M = 12 x 1.6 = 19.2 units

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Answer 2

Answer:

Given :-

• A field with current 12 A and area is 1.6 units.

To Find :-

• What is the magnetic moment of the field.

Formula Used :-

$\clubsuit$ Magnetic Moment Formula :

$\bigstar \: \: \sf\boxed{\bold{\pink{M =\: I \times A}}}\: \: \: \bigstar$

where,

• M = Magnetic Moment
• I = Current
• A = Area

Solution :-

Given :

• Current = 12 A
• Area = 1.6 units

According to the question by using the formula we get,

$\implies \sf\bold{\purple{M =\: I \times A}}$

$\footnotesize \implies \bf Magnetic\: Moment =\: Current \times Area$

$\implies \sf Magnetic\: Moment =\: 12 \times 1.6$

$\implies \sf\bold{\red{Magnetic\: Moment =\: 19.2\: units}}$

$\therefore$ The magnetic moment of the field is 19.2 units .

Hence, the correct options is option no (a) 19.2 .