A. An inductance stores ___________ energy in a(n) _____________ field. (a Kinet

Question

A. An inductance stores ___________ energy in a(n) _____________ field.

(a Kinetic, electric    b.Kinetic, magnetic   c.Potential, magnetic    d.   Potential, electric

B. When current flows through an ideal wire, a(n) ____________ is developed around the wire.

(a.Magnetic field    b.Electric field   c.Radiant flux     d.Thermal flux)

C. When a magnetic field is produced around a wire, its magnetic flux strength depends on the____________ and the direction of the magnetic field depends on the ____________.

(a.Magnitude of the voltage, voltage drop across the wire b.Magnitude of the current, direction of the current c.Resistance, physical orientation of the wire   d.Electric field intensity, conductance of the wire)

D.By winding a wire into a coil, the magnetic flux _______________.

(a.Increases           b.Decreases)

E.By winding a wire into a coil with five (5) turns, the magnetic flux _______________.

(a.Decreases by 1/5       b.Increases 25 times          c.Increases five times                     d.Decreases by 1/25

F.When the magnetic flux linkage of one coil links with a second coil, then_______________ exists.

(a.Neither self- nor mutual-inductance as one cancels out the other         b.Mutual inductance only         c.Both self inductance and mutual inductance          d.Self inductance only)

Explanation / Answer

A. An inductance storesPotential energy in a(n) magnetic field.

(a Kinetic, electric    b.Kinetic, magnetic   c.Potential, magnetic    d.   Potential, electric

B. When current flows through an ideal wire, a(n) Magnetic field is developed around the wire.

(a.Magnetic field    b.Electric field   c.Radiant flux     d.Thermal flux)

C. When a magnetic field is produced around a wire, its magnetic flux strength depends on the Magnitude of the current and the direction of the magnetic field depends on the direction of the current

(a.Magnitude of the voltage, voltage drop across the wire b.Magnitude of the current, direction of the current c.Resistance, physical orientation of the wire   d.Electric field intensity, conductance of the wire)

D.By winding a wire into a coil, the magnetic flux Increases .

(a.Increases           b.Decreases)

E.By winding a wire into a coil with five (5) turns, the magnetic flux Increases five times .

(a.Decreases by 1/5       b.Increases 25 times          c.Increases five times                     d.Decreases by 1/25

F.When the magnetic flux linkage of one coil links with a second coil, then Mutual inductance only exists.

(a.Neither self- nor mutual-inductance as one cancels out the other         b.Mutual inductance only         c.Both self inductance and mutual inductance          d.Self inductance only)

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