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Magnetic Field and Field Lines

A and B are t...

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A and B are two concentric circular conductors with centre O and carrying the currents X AND Y if the ratio of their radii is 1:2 and flux densities on O due to A and B ARE IN THE RATIO 1:3 THEN FIND THE RATIO OF CURRENTS ON THE CIRCULAR LOOP

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A

B

are two concentric circular conductors of centre

O

and carrying currents

I_{1}

I_{2}

as shown in the adjacent figure. If ratio of their radii is

1 : 2

and ratio of the flux densities at

O

A

B

1 : 3

, then the value of

I_{1} / I_{2}

A

B

are two concentric circular conductors of centre

O

and carrying currents

1_{1}

1_{2}

as shown in the figure. The ratio of their radii is

1 : 2

and ratio of the flux densities at

O

A

B

1 : 3

1_{1} / 1_{2}

Q. A and B are concentric circular conductors with center O and carrying currents

I_{1}

I_{2}

as shown in fig. The ratio of their radii is 1: 2 and ratio of their flux densities at O is 1:3 The value of

\frac{I_{1}}{I_{2}}

Q. Two circular current carrying coils of radius

3 cm

6 cm

are having equal magnetic moment. Find the ratio of currents in the loops.

Q. Two concentric circular loops of radii

r_{1}

r_{2}

carry clockwise and anticlockwise currents

i_{1}

i_{2}

. If the the centre is a null point, then

i_{1}

i_{2}

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