Magnetism at the centre of a bar magnet is

Magnetism at the centre of a bar magnet is
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around- zero
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Magnetism at the centre of a bar magnet is - (1) minimum (2) maximum (3) zero (4) minimum or maximum

Description : Magnetism at the centre of a bar magnet is - (1) minimum (2) maximum (3) zero (4) minimum or maximum

Last Answer : (3) zero Explanation: The field at the center is not zero, but weak. At the exact center of a magnet the field lines are parallel (straight lines if we draw it). Anywhere else they are slightly divergent.

I just held a lighter to a magnet and it lost its magnetism. Why?

Description : I just held a lighter to a magnet and it lost its magnetism. Why?

Last Answer : This is too science-y for me but there’s a well-documented experiment here concluding the fact that heat reduces magnetic fields (or force, or whatever).

When a piece of iron is rubbed with a magnet it acquires magnetism ' What kind of change is this and why ?

Description : When a piece of iron is rubbed with a magnet it acquires magnetism ' What kind of change is this and why ?

Last Answer : When a piece of iron is rubbed by a magnet, it acquires magnetism ' is a physical or positional change. This is because when rubbed by a magnet, no other substance is formed from iron. Again , when a piece of magnetized iron is heated, it loses its magnetism and is converted into ordinary iron.

What is the magnetism of a magnet ?

Last Answer : Magnetism of a magnet A: Physical properties.

What is a magnet that does not keep its magnetism very long?

Description : What is a magnet that does not keep its magnetism very long?

Last Answer : This would be a temporary magnet.

What is a magnet that retains its magnetism?

Description : What is a magnet that retains its magnetism?

Last Answer : We generally refer to this as a permanent magnet.

Using Weber’s molecular theory of magnetism, describe the polarity of the magnetic poles produced by stroking a magnetic material from right to left with the south pole of a magnet.

Description : Using Weber’s molecular theory of magnetism, describe the polarity of the magnetic poles produced by stroking a magnetic material from right to left with the south pole of a magnet.

Last Answer : South pole at the right, north pole at the left.

Magnetism of a magnet can be destroyed by

Last Answer : Magnetism of a magnet can be destroyed by heating, hammering, by inductive action of another magnet.

8. How does a solenoid behave like a magnet? Can you determine the north and south poles of a current–carrying solenoid with the help of a bar magnet? Explain. -Physics-10

Description : 8. How does a solenoid behave like a magnet? Can you determine the north and south poles of a current–carrying solenoid with the help of a bar magnet? Explain. -Physics-10

Last Answer : A solenoid is a long coil of circular loops of insulated copper wire. The magnetic field produced around the solenoid when the current is passed through it is similar to the magnetic field ... shows the arrangement of magnetic fields produced around the solenoid when current is passed through it.

1. Draw magnetic field lines around a bar magnet. -Physics-10

Description : 1. Draw magnetic field lines around a bar magnet. -Physics-10

Last Answer : Magnetic field lines of a bar magnet emerge from the North Pole and terminate at the South Pole as shown in the figure below.

1. Why does a compass needle get deflected when brought near a bar magnet? -Physics-10

Description : 1. Why does a compass needle get deflected when brought near a bar magnet? -Physics-10

Last Answer : The compass needle is a small magnet. When the compass needle is brought close to a bar magnet, the magnetic field lines of the compass needle interact with the magnetic field lines of bar magnet, which causes the compass needle to deflect.

If a bar magnet is cut length wise into 3 parts, what will the total number of poles be? -General Knowledge

Description : If a bar magnet is cut length wise into 3 parts, what will the total number of poles be? -General Knowledge

Last Answer : The answer is '6'

If a bar magnet is cut length wise into 3 parts, what will the total number of poles be? -General Knowledge

Description : If a bar magnet is cut length wise into 3 parts, what will the total number of poles be? -General Knowledge

Last Answer : answer:

If a bar magnet is cut length wise into 3 parts, what will the total number of poles be? -General Knowledge

Description : If a bar magnet is cut length wise into 3 parts, what will the total number of poles be? -General Knowledge

Last Answer : answer:

Are the magnetic lines force of a bar magnets strongest at the end of the magnet or in the middle?

Description : Are the magnetic lines force of a bar magnets strongest at the end of the magnet or in the middle?

Last Answer : Feel Free to Answer

How will we find out the north pole and south pole of a bar magnet with no markings to indicate poles?

Description : How will we find out the north pole and south pole of a bar magnet with no markings to indicate poles?

Last Answer : If you roughly know where North is, tie the bar magnet to a piece of thin string so it balances horizontally and let it dangle. Once it stops spinning and waving about, one end should point North. Mark this end as with an N for north.

How can iron fillings be used to map the magnetic field of a bar magnet?

Description : How can iron fillings be used to map the magnetic field of a bar magnet?

Last Answer : What is the answer ?

How will we find out the north pole and south pole of a bar magnet with no markings to indicate poles?

Description : How will we find out the north pole and south pole of a bar magnet with no markings to indicate poles?

Last Answer : If you roughly know where North is, tie the bar magnet to a piece of thin string so it balances horizontally and let it dangle. Once it stops spinning and waving about, one end should point North. Mark this end as with an N for north.

If a bar magnet, tied in the middle with a thread, were suspended at the north pole of the earth, it would take (a) a horizontal position (b) a nearly vertical position with its north pole pointing downward (c) a vertical position with its south pole pointing downward (d) a slanting position

Description : If a bar magnet, tied in the middle with a thread, were suspended at the north pole of the earth, it would take (a) a horizontal position (b) a nearly vertical position with its north pole pointing downward (c) a vertical position with its south pole pointing downward (d) a slanting position

Last Answer : Ans:(b)

When a bar magnet is cut into two equal halves, the pole strength of each piece (1) becomes double (2) becomes half (3) becomes zero (4) remains the same

Description : When a bar magnet is cut into two equal halves, the pole strength of each piece (1) becomes double (2) becomes half (3) becomes zero (4) remains the same

Last Answer : (4) remains the same Explanation: The poles remains same whether the magnet is cut into two equal half or more and also pole strength remains same but magnetic moment reduces due to decrease in the length of ... is called north pole (N-poled of the magnet and the other end the south pole (S-pole).

In an AC generator, direct current from a separate source is passed through the windings of the rotor _____________. A. by means of slip rings and brushes B. by means of a commutator C. by means of rotating bar magnet D. to minimize the danger of arc over

Description : In an AC generator, direct current from a separate source is passed through the windings of the rotor _____________. A. by means of slip rings and brushes B. by means of a commutator C. by means of rotating bar magnet D. to minimize the danger of arc over

Last Answer : Answer: A

If a bar magnet is cut length wise into 3 parts, what will the total number of poles be?

Description : If a bar magnet is cut length wise into 3 parts, what will the total number of poles be?

Last Answer : 6

Magnetic flux linked with a coil can be changed by using an: a. Permanent magnet b.Bar magnet c. Electromagnet d. Horseshoe magnet

Description : Magnetic flux linked with a coil can be changed by using an: a. Permanent magnet b.Bar magnet c. Electromagnet d. Horseshoe magnet

Last Answer : b.Bar magne

When a bar magnet is cut into two equal halves, the pole strength of each piece – (1) becomes double (2) becomes half (3) becomes zero (4) remains the same

Description : When a bar magnet is cut into two equal halves, the pole strength of each piece – (1) becomes double (2) becomes half (3) becomes zero (4) remains the same

Last Answer : remains the same

Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

Description : Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

Last Answer : Magnetic Lines of force- These are the imaginary lines (having no physical existence) introduced by Faraday for the pictorial representation of the distribution of a magnetic field.  OR  A line of ... that the tangent at any point gives direction of the resultant force at that point. 

Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

Description : Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

Last Answer : Magnetic linens of force is the imaginary lines for magnetic field of magnet around it. These magnetic lines of forces are introduced by Michael Faraday. The direction of lines of force is from N-pole to S-pole. The figure shows lines of force for bar type magnet.

A bar magnet when suspended freely always points in the?

Description : A bar magnet when suspended freely always points in the? (A) East west direction (B) North south direction (C) vertically upwards (D) vertically downwards

Last Answer : A bar magnet when suspended freely always points in the North south direction

The bar magnet has

Last Answer : The bar magnet has the dipole moment.

Which research centre announced that it was developing the largest magnet of the world? This largest magnet would weigh 50000 tons. a) CERN, Geneva b) Bhabha Atomic Research Centre, India c) NASA, US d) Neutrino Observatory, India

Description : Which research centre announced that it was developing the largest magnet of the world? This largest magnet would weigh 50000 tons. a) CERN, Geneva b) Bhabha Atomic Research Centre, India c) NASA, US d) Neutrino Observatory, India

Last Answer : Answer: (b) Bhabha Atomic Research Centre, India

In the figure below, CD is a chord of the semi circle with centre O. OA is the radius of the circle. If `CD=10` cm, `AB=2` cm and `bar(OA)_|_bar(CD)`

Description : In the figure below, CD is a chord of the semi circle with centre O. OA is the radius of the circle. If `CD=10` cm, `AB=2` cm and `bar(OA)_|_bar(CD)`

Last Answer : In the figure below, CD is a chord of the semi circle with centre O. OA is the radius of the ... |_bar(CD)` the length of OB is `"_____________"`

PS is the chord of the circle with centre O. A perpendicular is drawn from centre O of the circle to chord PS at M. If `bar(PS) =30 cm` and `bar(OM) =

Description : PS is the chord of the circle with centre O. A perpendicular is drawn from centre O of the circle to chord PS at M. If `bar(PS) =30 cm` and `bar(OM) =

Last Answer : PS is the chord of the circle with centre O. A perpendicular is drawn from centre O of the circle to ... =8 cm`, then find the radius of the circle.

In the figure below, `bar(MN)` is the diameter of the circle with centre O. `bar(NP)` bisects the `/_ANM`. If `/_ NMA =33^(@)`, then find `/_ ANP`.

Description : In the figure below, `bar(MN)` is the diameter of the circle with centre O. `bar(NP)` bisects the `/_ANM`. If `/_ NMA =33^(@)`, then find `/_ ANP`.

Last Answer : In the figure below, `bar(MN)` is the diameter of the circle with centre O. `bar(NP)` bisects the `/_ANM`. If `/_ NMA =33^(@)`, then find `/_ ANP`.

The Code of Civil Procedure (Amendment) Act, 1999 as well as the Amendment Act, 2002 were held constitutionally valid in (a) T.K. Rangarajan Vs. Govt. of Tamil Nadu (b) Selam Bar Association Vs. Union of India (c) State of Punjab Vs. Sivaram (d) Centre for public interest Vs. Union of India

Description : The Code of Civil Procedure (Amendment) Act, 1999 as well as the Amendment Act,  2002 were held constitutionally valid in (a) T.K. Rangarajan Vs. Govt. of Tamil Nadu (b) Selam Bar Association Vs. Union of India (c) State of Punjab Vs. Sivaram (d) Centre for public interest Vs. Union of India

Last Answer : (b) Selam Bar Association Vs. Union of India

A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is (A) 411 N mm (B) 511 N mm (C) 611 N mm (D) 711 N mm

Description : A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a  load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending  strain energy stored in the ... (A) 411 N mm  (B) 511 N mm  (C) 611 N mm  (D) 711 N mm 

Last Answer : (C) 611 N mm 

Registration of a cutter bar means a) Centre of knife must stop in the centre of guard on each stroke b) Centre of knife should be ahead of guard c) Centre of knife should be behind the guard d) Centre of knife should be at the end of the guard

Description : Registration of a cutter bar means a) Centre of knife must stop in the centre of guard on each stroke b) Centre of knife should be ahead of guard c) Centre of knife should be behind the guard d) Centre of knife should be at the end of the guard

Last Answer : ans a

You have returned from a trip where you enjoyed free parking all day, shopped at IKEA and Toys 'r' Us, lunched in a burger bar, and went to a cinema in the afternoon before joining the motorway for the journey home. It is likely your trip was to: A)a central business district. B)a suburban centre. C)an edge -of-town shopping area. D)a retail park.

Description : You have returned from a trip where you enjoyed free parking all day, shopped at IKEA and Toys 'r' Us, lunched in a burger bar, and went to a cinema in the afternoon before joining the motorway for the ... business district. B)a suburban centre. C)an edge -of-town shopping area. D)a retail park.

Last Answer : D)a retail park.

Why don't magnets lose their magnetism?

Description : Why don't magnets lose their magnetism?

Last Answer : They can if you strike them. Unless it is a permanent magnet.

Where was the first magnetism discovered ?

Description : Where was the first magnetism discovered ?

Last Answer : Magnetism was first discovered in China.

What is magnetism ?

Description : What is magnetism ?

Last Answer : The attractive and directional religion of a magnet is called its magnetism. In other words, the force of a magnet is called magnetism. Without magnetism, matter cannot be considered as magnet.

What is magnetism ?

Description : What is magnetism ?

Last Answer : : In physics, magnetism refers to the phenomenon of attraction or repulsion of one substance by another. In general, the religion of magnetism is called magnetism. Note that magnetism is the physical property of a magnet , not a chemical property.

What are the main religions of magnetism ?

Description : What are the main religions of magnetism ?

Last Answer : There are four main religions of magnetism.

How much magnetism does a salt have?

Description : How much magnetism does a salt have?

Last Answer : Need answer

What has a form of energy that can produce heat light magnetism and electrical charges?

Description : What has a form of energy that can produce heat light magnetism and electrical charges?

Last Answer : if you mean to have commas between heat, light, magnetism, andelectrical charges then there is none. if heat light magnetism isall one thing then you're on your own.

How is the orientation of earths magnetism recorded in rocks of the ocean floor?

Description : How is the orientation of earths magnetism recorded in rocks of the ocean floor?

Last Answer : Earths magnetic orientation is locked into the rock when therock cools

Can you use magnetism to test a mineral?

Description : Can you use magnetism to test a mineral?

Last Answer : As magma rises as lava and cools to form rocks, any magneticminerals in the rock (eg magnetite and haematite) align themselveswith the earth's magnetic field. When the rock is solidified thismagnetism is ... north was. The position of magneticnorth is plotted on a map to show apparent polar wander.

How are magnetism and electricity the same?

Description : How are magnetism and electricity the same?

Last Answer : electromagnetic force

What is keeper and its use in magnetism?

Description : What is keeper and its use in magnetism?

Last Answer : A keeper is a iron or a steel bar that is used to retain thestrength of magnet.

Voltage build up in an isolated induction generator depends on A. Capacitor bank value B. Residual magnetism of the rotor iron C. Residual magnetism of the stator iron a) A, B b) A, B, C c) B d) A, C

Description : Voltage build up in an isolated induction generator depends on A. Capacitor bank value B. Residual magnetism of the rotor iron C. Residual magnetism of the stator iron a) A, B b) A, B, C c) B d) A, C

Last Answer : Ans: A

Photon is the fundamental unit/ quantum of – (1) gravitation (2) electricity (3) magnetism (4) light

Description : Photon is the fundamental unit/ quantum of – (1) gravitation (2) electricity (3) magnetism (4) light

Last Answer : (4) light Explanation: A photon is an elementary particle, the quantum of light and all other forms of electromagnetic radiation. The modern photon concept was developed gradually by Albert Einstein.