# Question: What should be the diameter of a circular wire loop

What should be the diameter of a circular wire loop if it is to have a magnetic field of 0.15 T oriented perpendicular to its area which produces a magnetic flux of 1.2 x 10-2 T ∙ m2?

## Answer to relevant Questions

In 0.20 s, a coil of wire with 50 loops experiences an average induced emf of 9.0 V due to a changing magnetic field perpendicular to the plane of the coil. The radius of the coil is 10 cm, and the initial strength of the ...A fixed coil of wire with 10 turns and an area of 0.055m2 is placed in a perpendicular magnetic field. This field oscillates in direction and magnitude at a frequency of 10 Hz and has a maximum value of 0.12 T, (a) What is ...The armature of an ac generator has 100 turns. Each turn is a rectangular loop measuring 8.0 cm by 12 cm. The generator has a sinusoidal voltage output with an amplitude of 24 V. (a) If the magnetic field of the generator ...The transformer in the power supply for a computer’s 500-GB external hard drive changes a 120-V input voltage (from a regular house line) to the 5.0-V output voltage that is required to power the drive. (a) Find the ratio ...Electrical power from a generator is transmitted through a power line 175 km long with a resistance of 1.2 Ω /km. The generator’s output is 50 A at its operating voltage of 440 V. This output is increased by a single ...Post your question