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.
Show More
159 views
1 answer
asked
Mar 20, 2018
by
anonymous
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.
Show More
225 views
1 answer
asked
Mar 20, 2018
by
anonymous
Last Answer : Fleming's left hand rule.
Show More
113 views
1 answer
asked
Sep 27, 2017
by
anonymous
.jpg)
What is the purpose of Fleming's left hand rule?
Show More
81 views
0 answers
asked
Mar 14, 2018
by
anonymous
In Fleming's left hand rule, thumb shows direction of A. current B. field C. motion D. charge
Last Answer : motion
Show More
5 views
1 answer
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.
Show More
2 views
1 answer
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
Show More
37 views
1 answer
asked
Jan 20, 2021
by
anonymous
In the right-hand rule for propagation, the thumb points in the direction of the E field and the forefinger points in the direction of the H field. In what direction does the middle finger point?
Last Answer : Direction of wave propagation.
Show More
8 views
1 answer
asked
Aug 20, 2021
by
anonymous
.jpg)
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
Show More
23 views
1 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
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
Show More
107 views
1 answer
asked
Jun 17, 2018
by
anonymous
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.
Show More
3 views
1 answer
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
Show More
36 views
1 answer
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
Show More
3 views
1 answer
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.”
Show More
3 views
1 answer
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.
Show More
199 views
2 answers
asked
Aug 17, 2019
by
anonymous
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.
Show More
100 views
1 answer
asked
Jan 4, 2018
by
anonymous
If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be?
Last Answer : If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be zero.
Show More
277 views
1 answer
asked
Mar 21, 2018
by
anonymous
Last Answer : In any rotating machine that part which houses the conductors and in which e.m.f. induced is to be utilised is called armature.
Show More
193 views
1 answer
asked
Mar 21, 2018
by
anonymous
The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be?
Last Answer : The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 580 V.
Show More
668 views
1 answer
asked
Mar 21, 2018
by
anonymous
Last Answer : If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by Blv.
Show More
242 views
1 answer
asked
Mar 20, 2018
by
anonymous
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.
Show More
0 views
1 answer
asked
Feb 3
by
anonymous
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.
Show More
2 views
1 answer
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.
Show More
3 views
1 answer
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.
Show More
2 views
1 answer
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 : Magnetic Field on current
Show More
32 views
1 answer
asked
Jan 22, 2021
by
anonymous
Fleming’s left hand rule is applicable to
Last Answer : Fleming’s left hand rule is applicable to dc motor
Show More
74 views
1 answer
asked
May 14, 2018
by
anonymous
.jpg)
Last Answer : Fleming's left hand rule is used to find direction of force on a current carrying conductor in a magnetic field
Show More
77 views
1 answer
asked
Mar 31, 2018
by
anonymous
.jpg)
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.
Show More
415 views
4 answers
asked
Jan 4, 2018
by
anonymous
What is Fleming's left hand rule used for?
Last Answer : Fleming's left hand rule used for electrical motors.
Show More
70 views
1 answer
asked
Jan 4, 2018
by
anonymous
.jpg)
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
Show More
0 views
1 answer
asked
Feb 6
by
anonymous
State ‘Cork screw rule’ and ‘Right hand thumb rule’.
Last Answer : Cork screw rule Direction of magnetic lines of force around a straight current carrying conductor can be determined by these rules. Cork screw rule' says that, the direction of magnetic ... or encircling fingers must be in the direction of magnetic lines of force around the conductor.
Show More
2 views
1 answer
.jpg)
RIGHT HAND THUMB RULE
Last Answer : “By holding a current carrying straight conductor in your right hand then thumb points towards the direction of current and curled fingers around the conductor will give the direction of magnetic field.”
Show More
3 views
1 answer
Which of the following quantity maintains the same direction whether a D.C. machine runs as a generator or as a motor a. Induced e.m.f. b. Armature Current c. Field Current d. Supply Current
Last Answer : Which of the following quantity maintains the same direction whether a D.C. machine runs as a generator or as a motor a. Induced e.m.f. b. Armature Current c. Field Current d. Supply Current
Show More
3.9k views
1 answer
asked
Sep 1, 2018
by
anonymous
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.
Show More
0 views
1 answer
asked
Jan 27
by
anonymous
A shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly?
Last Answer : 200V/E2 = 1000/1200 E2= 240 V
Show More
1.8k views
2 answers
asked
Mar 21, 2018
by
anonymous
Last Answer : The e.m.f. generated in a D.C. generator is directly proportional to speed of armature.
Show More
601 views
1 answer
asked
Mar 21, 2018
by
anonymous
Last Answer : In a D.C. generator the ripples in the direct e.m.f. generated are reduced by using carbon brushes of superior quality.
Show More
224 views
1 answer
asked
Mar 20, 2018
by
anonymous
.jpg)
As a rule of thumb ladies go fisrt when you are going upstairs, right? what about when you are going downstairs?
Last Answer : haha i love how all the guys are thinking about etiquette with ladies. i have never really analyzed this stuff myself. but yeah, what you said makes sense. you should go before her (while going downstairs) so you can break the fall. ouch.
Show More
1 view
1 answer
asked
Feb 14
by
anonymous
The rule of thumb is that a right hander should wear a watch on the left arm and vice versa. Where did that rule come from?
Last Answer : It comes from being able to look at your watch while writting so you don't loose track of time.
Show More
1 view
1 answer
Which one of the following applications software’s is used to obtain an accurate root locus for? a) LISP b) MATLAB c) dBase d) Oracle Ans: B 6.Lenz devised a rule to find out direction of a)current induced in a circuit b)electromagneticdifference c)potential difference d)flow of power in fuse
Last Answer : Ans: A
Show More
1 view
1 answer
What rule should you use to determine the direction of induced emf in a coil?
Last Answer : The left-hand rule for generators.
Show More
11 views
1 answer
asked
Aug 18, 2021
by
anonymous
.jpg)
“The direction of induced current is always so as to oppose the change which causes the Current” is the statement of: a. Faraday’s law b. Lenz’s Law c. Ohm’s Law d. Kirchoff’s rule.
Last Answer : c. Ohm’s Law
Show More
15 views
1 answer
asked
Aug 4, 2021
by
anonymous
A straight wire of length 0.20 m moves at a steady speed of 3.0 m s-1 at right angles to the magnetic field of flux density 0.10 T. The e.m.f induced across ends of wire is A. 0.5 V B. 0.06 V C. 0.05 V D. 0.04 V
Last Answer : 0.06 V
Show More
13 views
1 answer
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.
Show More
0 views
1 answer
asked
Feb 3
by
anonymous
Fleming is Right Hand Rule is used to find the direction of –
Last Answer : Induced Curren
Show More
2 views
1 answer
Eddy currents are induced in the pole shoes of a D.C. machine due to?
Last Answer : Eddy currents are induced in the pole shoes of a D.C. machine due to relative rotation between field and armature.
Show More
231 views
1 answer
asked
Mar 20, 2018
by
anonymous
A particle of mass M moves towards right with a velocity 2 V along the x-axis and another of mass 2 M with a velocity V towards left (- x axis). After the collision (they stick together on colliging) ... a.come to rest b.107 dynes c.move towards right d.may move in any direction e.move towards left
Last Answer : c. move towards right
Show More
0 views
1 answer
asked
Feb 6
by
anonymous
Is there a rule of thumb in English for which of two equivalent contractions to use [see examples]?
Last Answer : no rule that I can remember. The contraction at the front of the sentence tempts me to guess that you’re an engineer or technical writer. Funny, but I don’t think it would occur to me to state “I’ve not” instead of “I haven’t”. Are you fluent in other languages?
Show More
0 views
1 answer
asked
Feb 28
by
anonymous
Homeowners insurance question - is there a good rule of thumb about how much personal property insurance one should buy?
Last Answer : Just got my policy also and it had jumped up 200 from last year with no claims on the policy ever. I shopped around and found that AARP had a much lower price. I went with 50% and AARP.
Show More
2 views
1 answer
asked
Feb 27
by
anonymous
Men in their 30's to 50's - date "rule of thumb": women half their age, plus seven years?
Last Answer : Never heard of such a thing. Is that really some kind of unspoken rule somewhere?
Show More
2 views
1 answer
asked
Feb 27
by
anonymous
