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The resulting magnetic field at the poin...

The resulting magnetic field at the point O due to the current carrying wire shown in the figure-

A

point vertically upwards

B

points vertically downwards

C

is zero

D

is the same as due to the segment WX alone

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • The magnetic field at a point P due to a current carrying coil as shown in figure is

    A
    `(mu_(0))/(4pi) (1)/(a^(2))`
    B
    `(mu_(0))/(4pi) (lax)/((x^(2)-a^(2))^(2))`
    C
    `(mu_(0))/(4pi) (2pila^(2))/(x^(2))`
    D
    `(mu_(0))/(4pi) (2pila^(2))/((x^(2)+a^(2))^(3"/"2))`

  • For the current carrying wire, show that the magnetic field at P is

    A
    `(mu_(0)i)/(4pi)((3pi)/(2R)+(sqrt(2))/(d))o.`
    B
    `(mu_(0)i)/(4pi)((3pi)/(2R)-(sqrt(2))/(d))ox`
    C
    `(mu_(0)i)/(4pi)((3pi)/(2R)-(sqrt(2))/(d))o.`
    D
    `(mu_(0)i)/(4pi)((3pi)/(2R)+(sqrt(2))/(d))ox`

  • The magnetic field intensity due to a thin wire carrying current I shown in figure, is

    A
    `(mu_0I)/(2piR)[pi-alpha+tanalpha]`
    B
    `(mu_0I)/(2piR)[pi-alpha]`
    C
    `(mu_0I)/(2piR)[pi+alpha]`
    D
    `(mu_0I)/(2piR)[pi+alpha-tanalpha]`

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