Home
Class 12
PHYSICS
If vecB(1),vecB(2) and vecB(3) are the m...

If `vecB_(1),vecB_(2)` and `vecB_(3)` are the magnetic field due to `l_(1),l_(2)` and `l_(3)`, then in Ampere's circuital law `ointvecB.vec(dl)=mu_(0)l, vecB` is

A

`vecB=vecB_(1)-vecB_(2)`

B

`vecB=vecB_(1)+vecB_(2)+vecB_(3)`

C

`vecB=vecB_(1)-vecB_(2)+vecB_(3)`

D

`vecB=vecB_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise SECTION C|47 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise SECTION D|16 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION A)|34 Videos

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - J)|2 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE ENGLISH|Exercise Assignment Section J (Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

If vecB_1,vecB_2,vecB_3 and vecB_4 are the magnetic field due to current I_1,I_2,I_3 and I_4 respectively then in ampere circuital law ointvecB.dvecl=mu_0I , vecB is

The base vectors veca_(1), veca_(2) and veca_(3) are given in terms of base vectors vecb_(1), vecb_(2) and vecb_(3) as veca_(1) = 2vecb_(1)+3vecb_(2)-vecb_(3) , veca_(2)=vecb_(1)-2vecb_(2)+2vecb_(3) and veca_(3) =2vecb_(1) + vecb_(2)-2vecb_(3) , if vecF = 3vecb_(1)-vecb_(2)+2vecb_(3) , then vector vecF in terms of veca_(1), veca_(2) and veca_(3) is

A: In any magnetic field region the line integral ointvecB.vec(dl) along a closed loop is always zero. R: The magnetic field vecB in the expressioin oint vecB.vec(dl) is due to the currents enclosed only by the loop.

Let B_(P) and B_(Q) be the magnetic field produced by the wire P and Q which are placed symmetrically in a rectangular loop ABCD as shown in figure.Current in wire P is I directed inward and in Q is 2I directed outwards.if int_(A)^(B)vecB_(Q).vecdl=2mu_(0) tesla meter, int_(D)^(A)vecB_(P).vecdl=-2mu_(0) tesla meter,& int_(A)^(B)vecB_(P).vecdl=-mu_(0) tesla meter tesla meter the value of I will be:

If vec|a|=3,|vecb|=4,and |veca+vecb|=5, then |veca-vecb| is equal to (A) 6 (B) 5 (C) 4 (D) 3

If veca , vecb and vec(c ) are there vectors such that veca + vecb = vec(C ) and further a^2 +b^2 =c ^2 find the angle between veca and vecb ?

(vecA+2vecB).(2vecA-3vecB) :-

If veca and vecb are non zero, non collinear vectors and veca_(1)=lambda veca+3 vecb, vecb_(1)=2veca+lambda vecb, vec c_(1)=veca+vecb . Find the sum of all possible real values of lambda so that points A_(1), B_(1), C_(1) whose position vectors are veca_(1), vecb_(1), vec c_(1) respectively are collinear is equal to.

If l_(1),l_(2) and l_(3) are the orders of the currents through our nerves, domestic appliances and average lightening, then the correct order of currents is (1) l_(1) gt l_(2) gt l_(3) (2) l_(1) gt l_(3) gt l_(2) (3) l_(1) lt l_(2) lt l_(3) (4) l_(1) = l_(2) = l_(3)

If veca, vecb and vecc are any three non-coplanar vectors, then prove that points l_(1)veca+ m_(1)vecb+ n_(1)vecc, l_(2)veca+m_(2)vecb+n_(2)vecc, l_(3)veca+m_(3)vecb+ n_(3)vecc, l_(4)veca + m_(4)vecb+ n_(4)vecc are coplanar if |{:(l_(1),, l_(2),,l_(3),,l_(4)),(m_(1),,m_(2),,m_(3),,m_(4)), (n_1,,n_2,, n_3,,n_4),(1,,1,,1,,1):}|=0

AAKASH INSTITUTE ENGLISH-MOVING CHARGE AND MAGNESIUM-SECTION B
  1. A charged particle enters a uniform magnetic field perpendicular to it...

    Text Solution

    |

  2. A proton and an alpha particle enter the same magnetic field which is ...

    Text Solution

    |

  3. A particle of charge -q and mass m enters a uniform magnetic field B (...

    Text Solution

    |

  4. A proton moving with a constant velocity passes through a region of sp...

    Text Solution

    |

  5. A current I ampere flows in a circular arc of wire whose radius is R,W...

    Text Solution

    |

  6. A current I flows in a thin wire in the shape of a regular polygon n s...

    Text Solution

    |

  7. Two long straight conductors with current I(1) and I(2) are placed alo...

    Text Solution

    |

  8. Surface charge density on a rign of radius a and width d of is sigma a...

    Text Solution

    |

  9. If vecB(1),vecB(2) and vecB(3) are the magnetic field due to l(1),l(2)...

    Text Solution

    |

  10. A uniform conducting wire ABC has a mass of 10g. A current of 2A flows...

    Text Solution

    |

  11. Figure show a conducting loop ADCA carrying current I and placed in a ...

    Text Solution

    |

  12. A wire carrying a current I is placed in a uniform magnetic field in t...

    Text Solution

    |

  13. The magnetic field existing in a region is given by B=B(0)[1+(x)/(...

    Text Solution

    |

  14. Two protons A and B move parallel to the x-axis is opposite directions...

    Text Solution

    |

  15. If the planes of two identical concentric coils are perpendicular and ...

    Text Solution

    |

  16. An electron of charge e is going around in an orbit of radius R meters...

    Text Solution

    |

  17. The phosphor bronze strip is used in a moving coil galvanometer becaus...

    Text Solution

    |