A bar magnet has a length of 8 cm

Asked by admin @ 17/08/2021 in Physics viewed by 301 People

A bar magnet has a length of 8 cm. The magnetic field at a point at a distance 3 cm from the centre in the broadside-on position is found to be 4 × 10−6 T. Find the pole strength of the magnet.

Answered by admin @ 17/08/2021

Explanation:

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A long metal bar of 30 cm length

Asked by admin @ 29/08/2021 in Physics viewed by 292 persons

A long metal bar of 30 cm length is aligned along a north south line and moves eastward at a speed of 10 ms1. A uniform magnetic field of 4.0 …

Two identical thin bar magnets each of length l

Asked by admin @ 16/08/2021 in Physics viewed by 279 persons

Two identical thin bar magnets each of length l and pole strength m are placed right angle to each other,with north pole of one touching south pole of the other,then …

A bar magnet of length l and magnetic dipole

Asked by admin @ 20/08/2021 in Physics viewed by 346 persons

A bar magnet of length l and magnetic dipolemoment M is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be :-

Pq is a chord of length 8 cm

Asked by admin @ 24/08/2021 in Math viewed by 287 persons

PQ is a chord of length 8 cm of a circle of radius 5 cm. The tangents at P and Q intersect at point T. Find the length of TP.

Draw a line segment of length 8 cm

Asked by admin @ 25/08/2021 in Math viewed by 330 persons

Draw a line segment AB of length 8 cm. Taking A as centre, draw a circle of radius 4 cm and taking B as centre, draw another circle of radius …

Draw a line segment ab of length 8 cm

Asked by admin @ 11/08/2021 in Math viewed by 307 persons

Draw a line segment AB of length 8 cm. Taking A as centre, draw a circle of radius 4 cm and taking B as centre, draw another circle of radius …

A short bar magnet of magnetic moment 0.4

Asked by admin @ 26/08/2021 in Physics viewed by 326 persons

A short bar magnet of magnetic moment 0.4J T⁻¹ is placed in a uniform magnetic field of 0.16 T. The magnet is in stable equilibrium when the potential energy is(a) …

The mean length of an object is 5 cm

Asked by admin @ 11/08/2021 in Physics viewed by 342 persons

The mean length of an object is 5 cm. Which of the following measurements is most accurate? (a) 4.9 cm (b) 4.805 cm (c) 5.25 cm (d) 5.4 cm

Two bar magnets of the same mass same length

Asked by admin @ 23/08/2021 in Physics viewed by 296 persons

Two bar magnets of the same mass, same length and breadth but having magnetic moments M and 2M are joined together pole for pole and suspended by a string. The …

Draw a line segment of length 7 cm

Asked by admin @ 26/08/2021 in Math viewed by 405 persons

Draw a line segment AB of length 7 cm. Taking A as centre, draw a circle of radius 3 cm and taking 8 as centre, draw another circle of radius …

Draw a line segment of length 7.6 cm

Asked by admin @ 25/08/2021 in Math viewed by 317 persons

draw a line segment of length 7.6cm and divide in ratio 5:8 measure the two parts.give the justification of construction

An object 5 cm in length is held 25cm

Asked by admin @ 11/08/2021 in Physics viewed by 357 persons

an object 5 cm in length is held 25cm away from a converging lens of focal length 10cm draw the ray diagram and find position,size and the nature of the …