Magnetic Force - Page 2

Questions
  • Calculate the tensile stress in a nylon fishing line of diameter 0.36 mm which a fish is pulling with a force of 20 N?
  • What is an example of how a magnetic force can make an object move?
  • What is the force on a stationary charge in a magnetic field?
  • Find the minimum diameter of an alloy cable, tensile stress75 MPa (75,000,000 Pa), needed to support a Force of 15 kN (15,000 N)?
  • How can magnetic force be reduced?
  • How does the magnetic field density relate to magnetic force?
  • What is the direction of the magnetic force on the proton? What is the magnitude of the magnetic force on the proton?
  • A wire 0.4 m long and carrying an electric current of 2.5 A is located in a uniform magnetic field in which B=0.01 T. Calculate the force on the wire when it makes an angle of 60 degrees with the field direction ?
  • Find the magnetic field at the point O center of the circle with R=20 cm if the current is I=100A ?
  • Find the magnitude and direction of the magnetic field in terms of #mu_0#, #I#, #r#, and #a# at (a) point #P_1# and (b) point #P_2#? (picture attached)
  • Find magnitude and direction of the resultant force?
  • What is the order of magnitude of 0.000746?
  • Magnitude and angle made with larger force?
  • Calculate the magnitude of the magnetic field at a point 100cm from a long thin conductor carrying a current of 1A ?
  • How to do 189th question?
  • The magnitude of the force that a baseball bat exerts on a ball is 50 newtons. What is the magnitude of the force that the ball exerts on the bat?
  • How to solve the problem?
  • A circular loop wire with current I1=I∘π and a V shaped wire with current I2 are arranged in a plane as shown in diagram. If magnetic field at O is zero, value of I2 is ? (a)#(13aI_@)/35r# (b)#(12aI_@)/17r# (c)#(aI_@)/r# (d)#(12aI_@)/35r#
  • Suppose the gravitational force between two masses is 70 N. If the magnitude of one of the masses halves, what is the force between the masses?
  • What is the total force on any arbitrary current carrying loop in a uniform magnetic field ? Prove your answer