How does the magnetic compass needle behave in a magnetic field ?

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1 Answer

Answer :

It assures a position which follows a line of magnetic flux

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Related questions

Prismatic compass is considered more accurate than a surveyor's compass, because (A) It is provided with a better magnetic needle (B) It is provided with a sliding glass in the object vane (C) Its graduations are in whole circle bearings (D) It is provided with a prism to facilitate reading of its graduated circle

Description : Prismatic compass is considered more accurate than a surveyor's compass, because (A) It is provided with a better magnetic needle (B) It is provided with a sliding glass in the object vane ( ... whole circle bearings (D) It is provided with a prism to facilitate reading of its graduated circle

Last Answer : (D) It is provided with a prism to facilitate reading of its graduated circle

In a perfect prismatic compass (A) Magnetic axis and geometric axis of the needle coincide (B) Ends of the needle and pivot are in same vertical and horizontal planes (C) Pivot is vertically over the centre of the graduated circle (D) All the above

Description : In a perfect prismatic compass (A) Magnetic axis and geometric axis of the needle coincide (B) Ends of the needle and pivot are in same vertical and horizontal planes (C) Pivot is vertically over the centre of the graduated circle (D) All the above

Last Answer : (D) All the above

The needle of a magnetic compass is generally supported on a (a) Bush bearing (b) Ball bearing (c) Needle bearing (d) Jewel bearing

Description : The needle of a magnetic compass is generally supported on a (a) Bush bearing (b) Ball bearing (c) Needle bearing (d) Jewel bearing

Last Answer : (c) Needle bearing

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 Veronica spins in a circle with the compass in her hand which force keeps the compass' needle pointing north?

Description : If Veronica spins in a circle with the compass in her hand which force keeps the compass' needle pointing north?

Last Answer : Magnetic Force

A compass is located at the geographical North Pole. In which direction would its needle point?

Description : A compass is located at the geographical North Pole. In which direction would its needle point?

Last Answer : To the magnetic north pole.

State the functions of needle, glass cover, pivot and adjustable mirror of a compass.

Description : State the functions of needle, glass cover, pivot and adjustable mirror of a compass.

Last Answer : Needle: To direct north-south direction or to give magnetic meridian. Glass cover: To prevent entry of dust in box and movement of needle due to air or wind. Pivot: To support and balance the ... it is in use. Adjustable mirror: For sighting object at high or below level of observer's eye.

One method of testing for a reversed shunt field coil in a DC generator or motor is by connecting the field to a direct current source, at reduced field rated voltage, and test for polarity using a/an ____________. A. iron bar across each field B. magnetic compass placed near each field C. test lamp across adjacent fields D. copper jumper across the interpole connections

Description : One method of testing for a reversed shunt field coil in a DC generator or motor is by connecting the field to a direct current source, at reduced field rated voltage, and test for ... placed near each field C. test lamp across adjacent fields D. copper jumper across the interpole connections

Last Answer : Answer: B

A magnetic needle is kept in a non-uniform management field. It experiences (a) A force and a torque (b) A force but not a torque (c) A torque but not a force (d) Neither a force nor a torque

Description : A magnetic needle is kept in a non-uniform management field. It experiences (a) A force and a torque (b) A force but not a torque (c) A torque but not a force (d) Neither a force nor a torque

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Pick up the correct statement from the following: (A) In the earth's magnetic field, a magnetic needle rests in magnetic meridian (B) The angle between the true meridian and the magnetic meridian is called magnetic variation (C) One end of the magnetic needle supported at its centre of gravity tends to dip down towards the nearer magnetic pole of the earth (D) All the above

Description : Pick up the correct statement from the following: (A) In the earth's magnetic field, a magnetic needle rests in magnetic meridian (B) The angle between the true meridian and the magnetic meridian is ... gravity tends to dip down towards the nearer magnetic pole of the earth (D) All the above

Last Answer : (D) All the above

The uniform magnetic field is

Last Answer : The uniform magnetic field is the field in which all lines of magnetic flux are parallel and equidistant.

When an iron piece is placed in a magnetic field

Last Answer :  When an iron piece is placed in a magnetic field the magnetic lines of force will bend away from their usual paths in order to pass through the piece.

A material which is slightly repelled by a magnetic field is known as

Last Answer : A material which is slightly repelled by a magnetic field is known as diamagnetic material.

A magnetic field exists around

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Description : Why magnetic compass is used by sailors and navigators to find the direction?

Last Answer : On a magnetic compass, the needle marked North points towards magnetic North, provided there is no ferrous metal nearby. Magnetic North is not the same as geographic North (North Pole). On a metal ship, the ... tides, a ship should be able to reach a distance port, or at least be with in sight.

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Description : What were the historic influences of tea printing paper gunpowderand the magnetic compass?

Last Answer : What is the answer ?

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Description : The laying of sewers is done with A. Magnetic compass B. Theodolite C. Level D. Clinometer

Last Answer : ANS: C

Pick up the correct statement from the following: (A) The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass (B) The imaginary lines which pass through points at which the magnetic declinations are equal at a given time are called isogonic lines (C) The isogonic lines through places at which the declination is zero are termedagonic lines (D) All the above

Description : Pick up the correct statement from the following: (A) The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass (B) The ... lines through places at which the declination is zero are termedagonic lines (D) All the above

Last Answer : (D) All the above

The VOR indications on an RMI whose deviation is not zero: a. Are magnetic b. Are compass c. Are relative d. Must have deviation applied before being used

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Last Answer : a. Are magnetic

How does a Magnetic Compass Work?

Description : How does a Magnetic Compass Work?

Last Answer : How does a Magnetic Compass Work? A compass is one of the simplest tools available, and is extremely practical. A compass is a device that shows the direction of north. Before GPS and other ... has to be allowed to move frictionlessly. Almost any resistance will stop the magnet from turning north.

The magnetic meridian at any point, is the direction indicated by a freely suspended (A) Magnetic needle (B) And properly balanced magnetic needle (C) Properly balanced and uninfluenced by local attractive force (D) Magnetic needle over an iron pivot

Description : The magnetic meridian at any point, is the direction indicated by a freely suspended (A) Magnetic needle (B) And properly balanced magnetic needle (C) Properly balanced and uninfluenced by local attractive force (D) Magnetic needle over an iron pivot

Last Answer : (C) Properly balanced and uninfluenced by local attractive force

The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, is known (A) Declination (B) Azimuth (C) Dip (D) Bearing

Description : The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, is known (A) Declination (B) Azimuth (C) Dip (D) Bearing

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Type of power-line frequency meter device utilizing a principle of balancing an indicator needle at center of a scale using magnetic fields opposing each other.

Description : Type of power-line frequency meter device utilizing a principle of balancing an indicator needle at center of a scale using magnetic fields opposing each other.

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Explain dip of magnetic needle with neat sketch.

Description : Explain dip of magnetic needle with neat sketch. 

Last Answer : i) The inclination of the magnetic needle with the horizontal is called as magnetic dip of the needle. ii) Ordinary needle if perfectly balanced on pivot, remains in horizontal position. But when the needle ... sliding weight is attached on the side of the needle which is at higher position.  

Explain ‘Declination of Magnetic needle’ and types of declination.

Description : Explain ‘Declination of Magnetic needle’ and types of declination. 

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Define the terms - dip of needle, magnetic bearing, fore bearing and back bearing.

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Last Answer : Dip of needle: It is downward inclination or small angle made by freely suspended magnetic needle with the horizontal. Magnetic bearing: Magnetic bearing of a survey line is the horizontal angle ... of line measured in backward direction or opposite direction of survey, is known as back bearing.

Explain the terms magnetic declination and dip of needle.

Description : Explain the terms magnetic declination and dip of needle.

Last Answer : Magnetic Declination: The horizontal angle between the magnetic meridian and true meridian is known as magnetic declination. When the north end of magnetic needle is pointed towards west side of ... needle is deflected downwards and southern hemisphere south end of the needle is deflected downwards.

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Last Answer : The magnetic reluctance of a material decreases with increasing cross-sectional area of the material.

Magnetic moment is a

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A rectangular magnet of magnetic moment M is cut into two piece ...

Description : A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be

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If a copper disc is rotated rapidly below a freely suspended magnetic...

Description : If a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle shall start rotating with a velocity

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______ is most commonly used for making magnetic recording tape.

Description : ______ is most commonly used for making magnetic recording tape.

Last Answer : Ferric oxide is most commonly used for making magnetic recording tape.

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At transition temperature the value of critical field is?

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Last Answer : At transition temperature the value of critical field is zero.

The value of critical field below the transition temperature will?

Description : The value of critical field below the transition temperature will?

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Any tips for the Compass test?

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Last Answer : answer:Please look at these free practice questions and answers here . An hour spent actually working on problems will really build your speed and boost your confidence. Also, after you get an answer do a mental sense ... should be? Is it a big number or a small one. What do you expect it to be?

When using a map and compass for navigation, do I use declination or not?

Description : When using a map and compass for navigation, do I use declination or not?

Last Answer : answer:Do you mean magnetic deviation? This article also discusses the mag. declination issue; they are intertwined.

How much would your moral compass slip in a life or death situation?

Description : How much would your moral compass slip in a life or death situation?

Last Answer : answer:I am too honest to lie or sabotage, and too poor to resort to bribery, but spinning the truth isn't exactly lying. I would make a case for the old couple staying off the chopper as they ... much living yet with whatever parents they came to the island with while my wife and I also get seats.

How do you feel about an objective moral compass?

Description : How do you feel about an objective moral compass?

Last Answer : there is no objective morality, but there is a moral compass. the moral compass is pointing towards ' dont do things to hurt the tribe you belong to'' there is no objective morality ... another in your argument, or without using any emotionally based arguments. morals are most certainly subjective.

Is a metal compass (for drawing cirlces) better than the plastic kind?

Description : Is a metal compass (for drawing cirlces) better than the plastic kind?

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Yeah, so I need help studying for my COMPASS test...

Description : Yeah, so I need help studying for my COMPASS test...

Last Answer : 4 plus 6 dived by 2 equals 5?

Do you ever wonder if it is a pre-requisite in order to be a politician that you must have a defective moral compass so that you can cheat on your spouse?

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Last Answer : nope. the prerequisite is thinking with your dick.

Will existing iphone 3G users get turn by turn directions/compass features with 3.0 softare, or are those features only for iphone 3g S?

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How old were you when you read P. Pullman's THE GOLDEN COMPASS" ?

Description : How old were you when you read P. Pullman's THE GOLDEN COMPASS" ?

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