Post a New Question

Physics

posted by .

A coil of 5 ohms resistance is connected to a battery whose E.M.F. is 6 volts. What current flows in the coil?

  • Physics -

    6 = i * 5
    i = 6/5 = 1.2 amps

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    A student thrusts a 0,20T magnet with a cross sectional area of 2.0 cm^2 into a coil of 400 turns in 0,50s. The coil has a resistance of 30 ohms and it is connected in series with a moving coil meter having a resistantace of 170 ohms. …
  2. physics

    A student thrusts a 0,20T magnet with a cross sectional area of 2.0 cm^2 into a coil of 400 turns in 0,50s. The coil has a resistance of 30 ohms and it is connected in series with a moving coil meter having a resistantace of 170 ohms. …
  3. physics

    The coil of the ac generator rotates at a frequency of f =60.0 Hz and develops an emf of 120 V (rms). The coil has an area of A = 3.0 x 10 -3 m 2 and consists of N = 500 turns. a. Find the magnitude of the magnetic field in which the …
  4. Physics

    A simple motor has N=250 turns of wire on a coil measuring 12 cm \times \, 4 cm. It's resistance is R=10 ohms. The magnetic field is B=1 T. (a) How much current (in Ampere) in the coil is needed to produce a maximum torque of 40 Nm?
  5. physics

    A circular coil with a radius of 25 cm has 20 turns. The coil is oriented perpendicularly to a magnetic field whose initial magnitude is 3.2 T. Suddenly, the magnetic field vanishes in 0.4 s. a. What is the initial magnetic flux in …
  6. PHYSICS

    Consider two single turn coils labeled 1 and 2 that are positioned close to each other. The switch S has been open for a long time. If the switch is now closed and the current through coil 1 is in the direction shown and increasing, …
  7. Physics Help pls

    Consider two single turn coils labeled 1 and 2 that are positioned close to each other. The switch S has been open for a long time. If the switch is now closed and the current through coil 1 is in the direction shown and increasing, …
  8. Physics pls help

    Consider two single turn coils labeled 1 and 2 that are positioned close to each other. The switch S has been open for a long time. If the switch is now closed and the current through coil 1 is in the direction shown and increasing, …
  9. electrical circuit

    A 72-ohm coil of wire is connected in series with an adjustable resistor (rheostat) whose resistance can be varied from 0 to 88 ohms. If the line potential is 115 volts, calculate (a) the range through which the coil current can be …
  10. physics

    The resistance of a coil copper wire at 20 degree celsius is 2.21 ohms. After a current of 10 amperes has been flowing in wire for two hours, the resistance of the coil was found o be 2.59 ohms. What is the temperature rise?

More Similar Questions

Post a New Question