marjean

Most popular questions and responses by marjean
  1. physics- magnetism

    A step-up transformer used in a car has a potential difference of 10 V across the primary coil with 12 turns. What is the current in the secondary coil of resistance 2.5 Ω if the number of turns in the secondary coil is 54 turns?

    asked on September 14, 2016
  2. physics- magnetism

    A 0.35 m2 coil with 50 turns rotates at 5 radians per sec2 in a magnetic field of 0.6 Tesla. What is the value of the rms current in the coil if the coil has the resistance of 3.3 Ω?

    asked on September 14, 2016
  3. physics- magnetism

    A circular plate of radius 0.5 m is placed perpendicular to the direction of the magnetic field of 0.5 Tesla. What is the change of flux in the plate if it rotates and its plane becomes parallel to the direction of the magnetic field?

    asked on September 14, 2016
  1. lola

    -1-(-9) = -1 + 9 = 8

    posted on September 14, 2016
  2. math

    5 people Person 1, 2, 3, 4, 5 1&2 1&3 1&4 1&5 2&3 2&4 2&5 3&4 3&5 4&5

    posted on September 14, 2016
  3. Math

    4(10 + 6) 2(20 + 12) basically take a common factor between 40 and 24 and divide

    posted on September 14, 2016
  4. lin

    factors of 6: 1, 2, 3, 6 1 x 2 x 3 x 6 = 36

    posted on September 14, 2016