A long straight wire carrying a current of `20A` is placed in an external uniform magnetic field of `3xx10^-4T` parallel to the current. Find the magnitude of resultant field at a point `2*0cm` away from the wire.

A long straight wire carrying a current of 25A is placed in an external uniform magnetic field 3*0xx10^-4T parallel to the current. Find the magnitude of the resultant magnetic field at a point 1*5cm away from the wire.

A long, vertical straight wire carrying a current of 30 A is placed in an external, uniform magnetic field of ( 4.0 xx (10^-4) T exists from south to north. Find magnetic field at a point 2.0 away from the wire.

A long, vertical straight wire carrying a current of 30 A is placed in an external, uniform magnetic field of ( 4.0 xx (10^-4) T exists from south to north. Find magnetic field at a point 2.0 away from the wire.

A long, straight wire carrying a current of 30 A is placed in an external, uniform magnetic field of ( 4.0 xx (10^-4) T exists from south to north.Find at a point 2.0 away from the wire.

A long straight wire carrying a current of 30 A is placed in an external uniform magnetic field of induction 4xx10^(-4) T. The magnetic field is acting parallel to the direction of current. The magnitude of the resultant magnetic induction in tesla at a point 2.0 cm away from the wire is (mu=4pixx10^(-7)Hm^(-1))

A long straight wire carrying current of 30 A is placed in an external uniform magnetic field of induction 4xx10^(-4) T . The magnetic field is acting parallel to the direction of current. The magnitude of the resultant magnetic induction in tesla at a point 2.0 cm away from the wire is

A long, straight wire carrying a current of 1.0 A is placed horizontally in a uniform magnetic field B= ( 1.0 xx 10^-5) T pointing vertically upward. Find the magnitude of the resultant magnetic field at the points P and Q, both situated at a distance of 2.0 cm from the wire in the same horizontal plane.