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Calculate the magnetic field due to a ba...

Calculate the magnetic field due to a bar magnet `2cm` long and having pole strength of `100A-m` at a point `10cm` from each pole.

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To calculate the magnetic field due to a bar magnet at a point located 10 cm from each pole, we will follow these steps: ### Step 1: Identify the Given Values - Length of the bar magnet, \( L = 2 \, \text{cm} = 0.02 \, \text{m} \) - Pole strength, \( m = 100 \, \text{A-m} \) - Distance from each pole to the point, \( D = 10 \, \text{cm} = 0.1 \, \text{m} \) ### Step 2: Calculate the Magnetic Moment ...
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Calculate magnetic field due to a bar magnet 2 cm long having pole strength 100 Am at a point 20 cm from centre of bar magnet. (i) On axial point (ii) On normal bisector

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Knowledge Check

  • The magnetic dipole moment of a bar magnet of geometric length 6 cm and pole strength 100 Am is

    A
    `2.5 Am^(2)`
    B
    `10 Am^(2)`
    C
    `5 Am^(2)`
    D
    `7.5 Am^(2)`

  • The magnetic dipole moment of a bar magnet of geometric length 6 cm and pole strength 100 Am is

    A
    `2.5 Am^(2)`
    B
    `10 Am^(2)`
    C
    `5 Am^(2)`
    D
    `7.5 Am^(2)`

  • The magnetic induction due to a bar magnet of length 6 xx 10^(-2)m and pole strength 5 xx 10^(-3)m at a point 0.1 m away from the centre and along the equator

    A
    `3xx 10^(-9)N//A m`, directed from N-pole to S-pole
    B
    `3 xx 10^(-8) N//A m`, directed from S-pole to N-pole.
    C
    `3xx 10^(-8) T`, directed from S-pole to N-pole
    D
    `3 xx 10^(-9)T`, directed from S-pole to N-pole.

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