Flemings “Left hand Rule” is associated with the effect of (1) Electric field on current (2) Magnetic field on magnet (3) Electric field on magnet (4) Magnetic Field on current

Flemings “Left hand Rule” is associated with the effect of (1) Electric field on current (2) Magnetic field on magnet (3) Electric field on magnet (4) Magnetic Field on current
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1 Answer

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Magnetic Field on current
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Flemings "Left hand Rule" is associated with the effect of – (1) Electric field on current (2) Magnetic field on magnet (3) Electric field on magnet (4) Magnetic Field on current

Description : Flemings "Left hand Rule" is associated with the effect of – (1) Electric field on current (2) Magnetic field on magnet (3) Electric field on magnet (4) Magnetic Field on current

Last Answer : (4) Magnetic Field on current Explanation: Whenever, a current carrying conductor comes under a magnetic field, there will be force acting on the conductor and on the other hand, if a conductor ... conductor. In both of the phenomenon, there is a relation between magnetic field, current and force.

Fleming's left hand rule is used to find (a) direction of magnetic field due to current carrying conductor (b) direction of flux in a solenoid (c) direction of force on a current carrying conductor in a magnetic field (d) polarity of a magnetic pole

Description : Fleming's left hand rule is used to find (a) direction of magnetic field due to current carrying conductor (b) direction of flux in a solenoid (c) direction of force on a current carrying conductor in a magnetic field (d) polarity of a magnetic pole

Last Answer : (c) direction of force on a current carrying conductor in a magnetic field

In Fleming's left hand rule, thumb shows direction of A. current B. field C. motion D. charge

Description : In Fleming's left hand rule, thumb shows direction of A. current B. field C. motion D. charge

Last Answer : motion

The left hand rule correlates to (a) current, induced e.m.f. and direction of force on a conductor (b) magnetic field, electric field and direction of force on a conductor (c) self induction, mutual induction and direction of force on a conductor (d) current, magnetic field and direction of force on a conductor

Description : The left hand rule correlates to (a) current, induced e.m.f. and direction of force on a conductor (b) magnetic field, electric field and direction of force on a conductor (c) self induction, ... and direction of force on a conductor (d) current, magnetic field and direction of force on a conductor

Last Answer : (d) current, magnetic field and direction of force on a conductor

Flemings right hand rule is used to find the direction of the – (1) Alternate current (2) Direct current (3) Induced current (4) Actual current

Description : Flemings right hand rule is used to find the direction of the – (1) Alternate current (2) Direct current (3) Induced current (4) Actual current

Last Answer : (3) Induced current Explanation: Fleming's right hand rule shows the direction of induced current when a conductor moves in a magnetic field. The right hand is held with the thumb, first ... finger mutually perpendicular to each other. The rule is named after British engineer John Ambrose Fleming.

Fleming’s right hand rule is used to find the direction of the (1) Alternate current (2) Direct current (3) Induced current (4) Actual current

Description : Fleming’s right hand rule is used to find the direction of the (1) Alternate current (2) Direct current (3) Induced current (4) Actual current

Last Answer : Induced current

1. State Fleming’s left-hand rule. -Physics-10

Description : 1. State Fleming’s left-hand rule. -Physics-10

Last Answer : Fleming’s Left hand rule states that if we arrange our thumb, forefinger and middle finger of the left hand at right angles to each other, then the thumb points towards the ... points towards the direction of magnetic field and the middle finger points towards the direction of current.

State Fleming's left hand rule (motor rule).

Description : State Fleming's left hand rule (motor rule).

Last Answer : If the first three fingers of the left hand are held mutually perpendicular to each other such that the finger points in the direction of magnetic filed, the middle finger points in the direction of current, then the thumb points in the direction of mechanical force acting on the conductor.

FLEMING’S LEFT HAND RULE

Description : FLEMING’S LEFT HAND RULE

Last Answer : FLEMING'S LEFT HAND RULE:  Stretch the forefinger, the central finger and thumb of your left hand mutually perpendicular to each other. If the forefinger shows the direction of the field and central ... of the current then the thumb will point towards the direction of the motion of the conductor.

Fleming’s left hand rule is applicable to

Description : Fleming’s left hand rule is applicable to

Last Answer : Fleming’s left hand rule is applicable to dc motor

Fleming's left hand rule is used to find ___________.

Last Answer : Fleming's left hand rule is used to find direction of force on a current carrying conductor in a magnetic field

What is the difference between Fleming's right and left hand rule?

Description : What is the difference between Fleming's right and left hand rule?

Last Answer :  Fleming's right hand rule is use for generators and  Fleming's left hand rule is use for motors. In both rules thumb represent motion of conductor, fore finger represent magnetic field and middle finger represents current.

What does Fleming's left hand rule state?

Description : What does Fleming's left hand rule state?

Last Answer :  Fleming's Right Hand Rule: Stretch out the first three fingers of your right hand such that they are mutually perpendicular to each other, align first finger in direction of magnetic field, thumb ... of conductor with respect to field then the middle finger will give the direction of induced EMF.

What is Fleming's left hand rule used for?

Description : What is Fleming's left hand rule used for?

Last Answer : Fleming's left hand rule used for electrical motors.

Magnetic field can be produced by using A. permanent magnet B. electric current C. temporary magnet D. both A and B

Description : Magnetic field can be produced by using A. permanent magnet B. electric current C. temporary magnet D. both A and B

Last Answer : permanent magnet

In the left hand rule, forefinger always represents (a) voltage (b) current (c) magnetic field (d) direction of force on the conductor

Description : In the left hand rule, forefinger always represents (a) voltage (b) current (c) magnetic field (d) direction of force on the conductor

Last Answer : (c) magnetic field

State Fleming's right hand rule or Dynamo rule.

Description : State Fleming's right hand rule or Dynamo rule.

Last Answer : Arrange the first three fingers of the right hand mutually perpendicular to each other; if the fore finger indicates the direction of magnetic field, the thumb in the direction of motion of the conductor, then the middle finger indicates the direction of the induced e.m.f

FLEMING’S RIGHT HAND RULE

Description : FLEMING’S RIGHT HAND RULE

Last Answer : “Stretch the thumb, forefingers and middle finger of the right hand so that they are perpendicular to each others. If the forefingers indicates the direction of the magnetic field and thumb shows the direction of motion of the conductor. The middle finger shows the direction of induced current.”

Fleming's Right hand rule

Description : Fleming's Right hand rule

Last Answer : Fleming's Right Hand Rule: Stretch out the first three fingers of your right hand such that they are mutually perpendicular to each other. If first finger indicates direction of magnetic field, ... to magnetic field, then the middle finger will indicate the direction of induced EMF / current.

One of the following is not a valid statement: A) Fleming’s right hand rule is used to find out the direction of

Description : One of the following is not a valid statement: A) Fleming's right hand rule is used to find out the direction of current in the conductor of a generator B) Fleming's left hand rule is ... hand thumb rule is used to find out the direction of counter current produced in the armature magnetic field

Last Answer : One of the following is not a valid statement: A) Fleming's right hand rule is used to find out the direction of current in the conductor of a generator B) Fleming's left hand rule is ... hand thumb rule is used to find out the direction of counter current produced in the armature magnetic field

While applying Fleming's right-hand rule to And the direction of induced e.m.f., the thumb points towards?

Last Answer : While applying Fleming's right-hand rule to And the direction of induced e.m.f., the thumb points towards direction of motion of conductor, if forefinger points along the lines of flux.

Fleming's right-hand rule regarding direction of induced e.m.f., correlates?

Last Answer : Fleming's right-hand rule regarding direction of induced e.m.f., correlates magnetic flux, direction of motion and the direction of e.m.f. induced.

According to Fleming's right-hand rule for finding the direction of induced e.m.f...

Description : According to Fleming's right-hand rule for finding the direction of induced e.m.f., when middle finger points in the direction of induced e.m.f., forefinger will point in the direction of?

Last Answer : According to Fleming's right-hand rule for finding the direction of induced e.m.f., when middle finger points in the direction of induced e.m.f., forefinger will point in the direction of lines of force.

What is Fleming's left-handed rule ?

Description : What is Fleming's left-handed rule ?

Last Answer : : If the thumb , forefinger and middle finger of the left hand are extended at right angles to each other, if the index finger points in the direction of the magnetic force line and the direction of the middle current, then the thumb will point in the direction of rotation of the conductive wire.

A current carrying conductor is associated with – (1) a magnetic field (2) an electric field (3) an electro-magnetic field (4) an electrostatic field

Description : A current carrying conductor is associated with – (1) a magnetic field (2) an electric field (3) an electro-magnetic field (4) an electrostatic field

Last Answer : (3) an electro-magnetic field Explanation: A current carrying conductor, such as a metal wire, will produce a magnetic field around it because of the motion of charge within the wire itself. This motion produces or sets up a magnetic field around the wire in the form of concentric circles.

A current carrying conductor is associated with (1) a magnetic field (2) an electric field (3) an electro-magnetic field (4) an electrostatic field

Description : A current carrying conductor is associated with (1) a magnetic field (2) an electric field (3) an electro-magnetic field (4) an electrostatic field

Last Answer : an electro-magnetic field

1. Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop. -Physics-10

Description : 1. Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop. -Physics-10

Last Answer : Solution: For the downward direction of the current, the direction of the magnetic field will be as if emerging from the table outside the loop and merging with the table inside the loop. Similarly, ... the table outside the loop and merging with the table inside the loop, as shown in the figure.

In motor a permanent magnet provides: a. Electric field b. electric flux c. magnetic field d. gravitational field

Description : In motor a permanent magnet provides: a. Electric field b. electric flux c. magnetic field d. gravitational field

Last Answer : d. gravitational field

In an electromagnetic wave, the ratio of the magnitudes of the electric field to the magnet field is equal to what?

Description : In an electromagnetic wave, the ratio of the magnitudes of the electric field to the magnet field is equal to what?  

Last Answer : ANSWER: THE SPEED OF LIGHT or C

What should be the angle between the thumb (main) finger and the central finger in Fleming’s rule? What does each finger indicate?

Description : What should be the angle between the thumb (main) finger and the central finger in Fleming’s rule? What does each finger indicate?

Last Answer : The angle between the thumb and the central finger must be 90o. Fore finger indicates direction of magnetic field, thumb indicates direction of mechanical force / motion of conductor and the central finger indicates the direction of induced current or electric current.

As a result of electric current a magnetic field is created around it , from whose test can it be realized ?

Description : As a result of electric current a magnetic field is created around it , from whose test can it be realized ?

Last Answer : An electric current creates a magnetic field around it , as can be seen from Hans Christian Werstead's experiments.

If we reverse the direction of electric current, then the direction of magnetic field will beA. reversedB. remains sameC. becomes tangentD. becomes norma

Description :  If we reverse the direction of electric current, then the direction of magnetic field will be A. reversed B. remains same C. becomes tangent D. becomes norma

Last Answer : reversed

F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other

Description : F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other

Last Answer : at right angles to each other

Whenever there is force on magnetic pole, there exists A. magnetic field B. electric field C. current D. voltage

Description : Whenever there is force on magnetic pole, there exists A. magnetic field B. electric field C. current D. voltage

Last Answer : electric field

Where an electric charge experiences a force, there is an A. electric field B. magnetic field C. electric current D. conventional current

Description : Where an electric charge experiences a force, there is an A. electric field B. magnetic field C. electric current D. conventional current

Last Answer : electric field

Hall voltage is directly proportional to A. current B. electric field C. magnetic flux density D. all of above

Description : Hall voltage is directly proportional to A. current B. electric field C. magnetic flux density D. all of above

Last Answer : magnetic flux density

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.

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.

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 ?

What safety actions does the nurse need to take for a patient on oxygen therapy who is undergoing magnetic resonance imaging (MRI)? a) Ensure that no patient care equipment containing metal enters the room where the MRI is located. For patient safety the nurse must make sure no patient care equipment (e.g., portable oxygen tanks) that contains metal or metal parts enters the room where the MRI is located. The magnetic field generated by the unit is so strong that any metal-containing items will be strongly attracted and can literally be pulled away with such great force that they can fly like projectiles towards the magnet.

Description : What safety actions does the nurse need to take for a patient on oxygen therapy who is undergoing magnetic resonance imaging (MRI)? a) Ensure that no patient care equipment containing metal enters the ... oxygen tanks) that contains metal or metal parts enters the room where the MRI is located.

Last Answer : a) Ensure that no patient care equipment containing metal enters the room where the MRI is located. For patient safety the nurse must make sure no patient care equipment (e.g., portable oxygen ... literally be pulled away with such great force that they can fly like projectiles towards the magnet.

The pole faces of U-shaped magnet in a moving coil galvanometer are made concave to a) decrease the strength of magnetic field b) create a non-uniform magnetic field c) make the magnetic field radial d) All of these

Description : The pole faces of U-shaped magnet in a moving coil galvanometer are made concave to a) decrease the strength of magnetic field b) create a non-uniform magnetic field c) make the magnetic field radial d) All of these

Last Answer : c) make the magnetic field radial

A superconductor, during its transition to the superconducting state, expels a magnetic field. After which German physicist is this phenomenon which causes a magnet to levitate above a superconductor named?

Description : A superconductor, during its transition to the superconducting state, expels a magnetic field. After which German physicist is this phenomenon which causes a magnet to levitate above a superconductor named?

Last Answer : Walther Meissner.

(a) Describe activity with labelled diagram to show that a current carrying conductor experience a force in a magnetic field. (b) State the rule to determine the direction of force. -Science

Description : (a) Describe activity with labelled diagram to show that a current carrying conductor experience a force in a magnetic field. (b) State the rule to determine the direction of force. -Science

Last Answer : (a) Without using a magnet, magnetic field can be produced by flowing the current through a straight conductor or a solenoid. Aim : To show that magnetic field exerts a force on a current carrying ... current, then the thumb will point in the direction of motion or the force acting on the conductor.

Magnetic lines of force have all but one of the following characteristics. The one that they DO NOT have is: w) they go from the South-pole to the North-pole of a magnet outside of the magnet x) they are most concentrated at the poles of a magnet y) they pass through copper z) they never cross one another

Description : Magnetic lines of force have all but one of the following characteristics. The one that they DO NOT have is: w) they go from the South-pole to the North-pole of a magnet outside of the magnet ... most concentrated at the poles of a magnet y) they pass through copper z) they never cross one another

Last Answer : ANSWER: W -- THEY GO FROM THE SOUTH-POLE TO THE NORTH-POLE OF THE M AGNET 

With neat cross sectional constructional details,write effect of magnetic and electric field in magnetron

Description : With neat cross sectional constructional details,write effect of magnetic and electric field in magnetron

Last Answer : 1)When magnetic & electric fields act simultaneously upon the electron,its path can have any of a number of shapes dictated by the resistive strengths of the mutually perpendicular electric & ... happens because in practice the applied magnetic field is greatly in excess of the cutoff field.

A loud buzzing noise coming from the contacts in a magnetic controller can be caused by ____________. A. excessive current B. excessive magnet gap C. bouncing of contacts D. dirt on magnet faces

Description : A loud buzzing noise coming from the contacts in a magnetic controller can be caused by ____________. A. excessive current B. excessive magnet gap C. bouncing of contacts D. dirt on magnet faces

Last Answer : Answer: D

A loud buzzing noise at the contacts of a magnetic controller could indicate _____________. A. weak contact spring pressure B. misalignment of the magnet faces C. excessive line current D. mechanical binding

Description : A loud buzzing noise at the contacts of a magnetic controller could indicate _____________. A. weak contact spring pressure B. misalignment of the magnet faces C. excessive line current D. mechanical binding

Last Answer : Answer: B

Which rule implement for axes Nomenclature? a.Left-hand rule b.Right-Hand Rule c.Thumb Rule d.None of the above

Description : Which rule implement for axes Nomenclature? a.Left-hand rule b.Right-Hand Rule c.Thumb Rule d.None of the above

Last Answer : b.Right-Hand Rule

In the left hand rule, forefinger always represents

Last Answer : In the left hand rule, forefinger always represents magnetic field.