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
Description : The strongest part(s) of a magnet is/are -----? A. North pole B. South pole C. North and south pole (Answer) D. Median of north and south pole
Last Answer : The strongest part(s) of a magnet is/are -----?A. North poleB. South poleC. North and south pole (Answer)D. Median of north and south pole
Description : which type of friction forces are the strongest and the weakest?
Last Answer : there are four types of friction: static, sliding, rolling, and air resistance. Static friction is the strongest and rolling friction is weakest.
Description : Among the following polymers, the strongest molecular forces are present in:
Last Answer : Among the following polymers, the strongest molecular forces are present in: A. elastomers B. fibres C. thermoplastics D. thermosetting polymers
Description : Where shows the correct order of forces from weakest to strongest?
Last Answer : strong nuclear, weak nuclear, electrostatic, gravitational
Description : Which of the following types of polymers has the strongest inter particle forces? (A) Elastomers (B) Fibres (C) Thermoplastics (D) Thermosetting polymers
Last Answer : (D) Thermosetting polymers
Description : What is the strongest magnetic field possible? Is there a limit? -Space
Last Answer : When a magnetic field gets stronger than about 500,000 Gauss . Objects get ripped to pieces by the intense forces. For this reason, scientists cannot build a machine that creates a magnetic field stronger than 500,000 Gauss and survives longer than a fraction of a second
Description : What distance results in the strongest magnetic attraction?
Last Answer : Need answer
Description : The strongest force in nature is – (1) Electrical force (2) Gravitational force (3) Nuclear force (4) Magnetic force
Last Answer : (3) Nuclear force Explanation: The nuclear force (or nucleonnucleon interaction or residual strong force) is the force between two or more nucleons. It is responsible for binding of protons and neutrons into atomic nuclei.
Description : The strongest force in nature is (1) electrical force (2) gravitational force (3) nuclear force (4) magnetic force
Last Answer : nuclear force
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.
Description : Why four magnetic materials are strongly attracted to the magnet?
Last Answer : This is related to the materials having magnetic domains.
Description : How can iron fillings be used to map the magnetic field of a bar magnet?
Last Answer : What is the answer ?
Description : How well would a magnetic sweeper work in my quilting studio for picking up pins and needles out of carpet Is there a release mechanism or do pick them off of the magnet?
Last Answer : You might find a model that has a release system, but most you just carefully pick the items off of the sweeper. If you have a hard time finding one, many hardware stores now carry them.
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.
Description : Magnet chatter or 'pumping' occurring in a magnetic contactor can be caused by ______________. A. dirt or grease on pole faces B. mechanical interference in the contacts C. chattering contacts on the control relay D. magnetic lock out of the contacts
Last Answer : Answer: C
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
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
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
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.
Description : The working of a meter is based on the use of a permanent magnet. In order to protect the meter functioning from stray magnetic fields (a) meter is surrounded by strong magnetic fields (b) a soft ... is used (c) a plastic shielding is provided (d) a shielding of anon-magnetic material is used
Last Answer : (b) a soft iron shielding is used
Description : The direction of magnetic lines of force is (a) from south pole to north pole (b) from north pole to south pole (c) from one end of the magnet to another (d) none of the above
Last Answer : (b) from north pole to south pole
Description : A permeable substance is one (a) which is a good conductor (6) which is a bad conductor (c) which is a strong magnet (d) through which the magnetic lines of force can pass very easily
Last Answer : (d) through which the magnetic lines of force can pass very easily
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.
Description : What type of magnetic material should be used to make a temporary magnet?
Last Answer : A material that exhibits low reluctance and high permeability, such as iron or soft steel.
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
Description : In motor a permanent magnet provides: a. Electric field b. electric flux c. magnetic field d. gravitational field
Last Answer : d. gravitational field
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
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.
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
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 : Magnetic Field on current
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.
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.
Description : A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be
Last Answer : A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/2.
Last Answer : The stomach is the strongest swollen part of the digestive tract.
Last Answer : Dental enamel is the hardest part of the body
Description : Buddhism is a belief system that began in northern India. To which part of the world did it spread and take its strongest hold?
Last Answer : Eastern Asia
Description : Which part of the magnet attracts more ?
Last Answer : The attraction of a magnet is greater at two poles.
Description : What part of a magnet would pick up most iron filling?
Last Answer : The one that the field strength is stronger
Description : For which among the following house appliances, magnet is an essential part? (1) Calling bell (2) Fan (3) Washing machine (4) All of the above
Last Answer : (4) All of the above
Description : The forces of cathode ray particles due to electric and magnetic fields which are at right angles to each other balance each other. If the magnetic fi
Last Answer : The forces of cathode ray particles due to electric and magnetic fields which are at right angles to ... p.d. is required to produce this velocity?
Description : Assertion Path of a charged particle in uniform magnetic field cannot be a parabola, if no other forces (other than magnetic force) are acting on the
Last Answer : Assertion Path of a charged particle in uniform magnetic field cannot be a parabola, if no other ... . If Assertion is false but Reason is true.
Description : What foctors affect the strength of electric and magnetic forces?
Description : Why do the magnetic forces acting on the coil change as the current running through the coil changes?
Description : In an electromagnet the magnetic forces increase as increases?
Last Answer : It increases as the current increases.
Description : The weakest of all fundamental forces is – (1) Gravitational force (2) Electrostatic force (3) Magnetic force (4) Nuclear force
Last Answer : (1) Gravitational force Explanation: In particle physics, fundamental interactions (sometimes called interactive forces or fundamental forces) are the ways that elementary particles interact with one another. ... weak interaction ("weak nuclear force"), and gravitation. All are non-contact forces.
Description : In order to keep a body moving in a circle, there exists a force on it that is directed toward the center of the circle. This force is known asA. Centrifugal force B. Centripetal force C. Gravitational Force D. magnetic force
Last Answer : Centripetal force
Description : Pick out the wrong statement. (A) A ferromagnetic material becomes paramagnetic above the 'Curie temperature' (B) Permanent magnets are made of hard materials, whereas electromagnets require soft ... hysterisis loss and coercive forces (D) Tungsten steel and alnico are not hard magnetic materials
Last Answer : Option D
Description : Forces in ionic crystalline solids are primarily which of the following? w)covalent x)electrostatic y)Van der Waals z)magnetic
Last Answer : ANSWER: X -- ELECTROSTATIC