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 : A body weighs slightly more at the poles than at the equator because (a) the earth is flat at the poles. (b) the earth has the maximum speed of rotation at the equator (c) the attractive force at the poles increases due to the ice cap (d) none of these is a complete explanation
Last Answer : Ans:(d)
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.
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'
Description : A substance, when inserted between the poles of a magnet, is pushed out, what is it? -Do You Know?
Last Answer : answer:
Description : How many poles does a magnet have ?
Last Answer : 2 poles of magnet 1. North pole 2. South pole.
Description : How many poles of a magnet ?
Last Answer : : There are two poles of magnet 1) North pole 2) South pole.
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.
Description : How can we find poles of an odd shaped magnet?
Last Answer : What is the answer ?
Description : If you are given some iron fillings and a magnet describe how you would find the poles of the magnet?
Last Answer : If possible cover the magnet with a sheet of paper and gentlysprinkle the iron filings over the sheet ot paper, they will stickin a pattern following the magnetic "lines of flux" which will ... . Without the paper thefilings will usually become tightly stuck to the magnet, making ithard to clean.
Description : A substance, when inserted between the poles of a magnet, is pushed out, what is it?
Last Answer : Diamagnetic
Description : If a bar magnet is cut length wise into 3 parts, what will the total number of poles be?
Last Answer : 6
Description : The dipole formation in a magnet is due to a) Interaction between the north and south poles together b) Interaction between the north pole with the air c) Interaction between the south pole with the air d) Interaction of north and south pole separately with air
Last Answer : a) Interaction between the north and south poles together
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 : A permanent magnet stepper motor with 8 poles in stator and 6 poles in rotor will have a step angle of (a) 7.5° (b) 15° (c) 30° (d) 60°
Last Answer : d
Description : India's latitudinal and longitudinal extent measured in degrees are almost the same, but its north-south extent measured in km is greater than its east-west extent. This is due to the fact that (a) ... (c) all longitudes with their opposites form great circles (d) the earth is not a perfect sphere
Last Answer : Ans: (b)
Description : The non-relativistic mass of an object w) must be the same as its weight x) depends on where you measure it y) does not change with increasing velocity z) is greatest at the poles
Last Answer : ANSWER: Y -- DOES NOT CHANGE WITH INCREASING VELOCITY
Description : 1. What is the Branch of science which deals with the study of skin of man? 2. Up to howmuch age can the Members of the Union Public Service Commission function? 3. The north pole of the ... is the largest irrigation canal in the world? 20. Who bestowed the Office of Peshwa on Balaji Vishwanath ?
Last Answer : Answer : 1. Dermatology 2. 65 years 3. South 4. The Tundra Region 5. Gwalior 6. Hague 7. Oct. 24, 1945 8. Malacology 9. Cirque 10. Akbar 11. UK 12. Yeast 13. Promoting adult ... Inselberg 15. Todar Mal 16. S. Chandrashekhar 17. Rifampicin 18. French revolution 19. Indira Gandhi Canal 20. Shahu
Description : The mass of a body is different from its weight because 1. mass is a variable quantity whereas weight is constant 2. mass varies very little at different places whereas weight varies a lot 3. mass is constant but weight decreases as ... is/are correct? (a) 1 only (b) 2 and 4 (c) 3 only (d) 3 and 4
Description : On planet Earth, there is no centrifugal force at the – (1) Equator (2) Tropic of Cancer (3) Tropic of Capricorn (4) Poles
Last Answer : (4) Poles Explanation: Some common examples of centrifugal force at work are mud flying off a tire and children feeling a force pushing them outwards while spinning on a roundabout.
Description : Basic electrical motor action depends on _______________. A. a conductor rotated within a magnetic field B. a current carrying conductor placed in a magnetic field C. the relative force of the commutator and commutating poles D. the relative force of the armature and interpoles
Last Answer : Answer: B
Description : Pick up the correct statement from the following: (A) The tides at any place occur a little less than 1 hour later, each succeeding day (B) The influence of the earth's gravity alone produces level-tidal ... ) The spinning force is maximum at the equator and zero at the poles (D) All of the above
Last Answer : (D) All of the above
Description : Why are there jets in the midlatitudes in the upper troposphere? (a) Air is warmer in the tropics than the poles, resulting in a poleward pressure gradient that increases with increasing height. (b) Because ... d) Due to the constant bending by the Coriolis force. (e) Both A and D are correct.
Last Answer : (e) Both A and D are correct.
Description : The force acting between two magnetic poles is
Last Answer : The force acting between two magnetic poles is inversely proportional to the square of the distance
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 : 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 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 : 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 : How black hole has a vast attractive force? What is its density in comparison with Earth and Sun? -Space
Last Answer : There are two things that affect the escape velocity - the mass of object and the distance to the center of that object. For example, a rocket must accelerate to 11.2 km/s in order to escape Earth's gravity ... the mass of our sun would need to be squeezed into a volume with a radius of about 3 km.
Description : what attractive force holds molecules of the same substance together?
Last Answer : Cohesion
Description : Why do atoms with a weak electronegativity like lithium have a weak attractive force for electrons?
Last Answer : they have few valence electrons and aren't close to having eightvalence electrons
Description : When Atoms with a high electronegativity like oxygen have a strong attractive force for electrons because?
Last Answer : A. they're close to filling their outer shell, fulfilling the octet rule
Description : Atoms with a low electronegativity, like lithium, have a weak attractive force for electrons because?
Last Answer : They have few valence electrons and aren’t close to having eight valence electrons
Description : Which of the following uses the attractive force on soft iron? (a) Carbon microphone (b) Telephone receiver (c) Simple motor (d) Dynamo
Last Answer : Ans:(b)
Description : The nuclear force is - (1) Short range repulsive force (2) Short range attractive force (3) Long range repulsive force (4) Long range attractive force
Last Answer : (2) Short range attractive force Explanation: Nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. They bind protons and neutrons (“nucleons”) into atomic nuclei.
Description : Which two basic forces are able to provide on attractive force between the two neutrons?
Last Answer : Gravitational and Nuclear
Description : When currents are moving in the same direction in two conductors, then the force will be a) Attractive b) Repulsive c) Retracting\ d) Opposing
Last Answer : a) Attractive
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
Last Answer : Gravitational and Nucl
Description : Two electron beams move parallel to each other. The nature of force between them is a) Attractive b) Repulsive c) Dependent on magnitude of velocity d) None
Last Answer : b) Repulsive
Description : Which of the following statements dealing with simple harmonic motion of a mass-spring system is TRUE? w) The acceleration is largest when the oscillating mass is instantaneously at rest. x) The ... of the motion. z) The acceleration is larger when the oscillating mass has its greatest velocity.
Last Answer : ANSWER: W -- THE ACCELERATION IS LARGEST WHEN THE OSCILLATING MASS IS INSTANTANEOUSLY AT REST
Description : Near a castle without a moat, a well-known queen was captured and held hostage by a dark and powerful enemy force. Several of her loyal servants tried to break through enemy lines to free her ... this well-known queen and the lowly servant who performed the greatest sacrifice to save her? -Riddles
Last Answer : The queen was the white queen, and the servant who was sacrificed was a white pawn who had reached the back row of the black chess pieces—and was subsequently promoted/exchanged for the captured white queen.
Description : Economic efficiency means (a) Production of goods of mass consumption at lower cost; (b) Production of goods and services for those who have purchasing power; (c) Getting greatest satisfaction from available resources ; (d) Full employment of working force
Last Answer : (c) Getting greatest satisfaction from available resources
Description : The zone of Earth's atmosphere immediately above its surface up to a height of about 16 kms above equator and 8 kms over the poles is known as : (1) Mesosphere (2) Thermosphere (3) Troposphere (4) Stratosphere
Last Answer : (3) Troposphere Explanation: The zone of Earth's atmosphere immediately above its surface up to a height of about 16 kms above equator and 8 kms over the poles is known as troposphere.