Inductance

Inductance

University

19 Qs

quiz-placeholder

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Inductance

Inductance

Assessment

Quiz

Physics

University

Practice Problem

Hard

NGSS
HS-PS2-5, MS-PS2-3, HS-PS3-5

+1

Standards-aligned

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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Lenz’s Law of electromagnetic induction is about the conservation of

Energy.

Mass.

Charges.

Momentum

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An e.m.f will be induced in a straight conductor if

the conductor is stationary across a constant magnetic flux.

a constant magnetic flux is placed parallel to the conductor.

the conductor cuts across a constant magnetic flux.

the conductor moves parallel to a constant magnetic flux.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to the Lenz’s Law,

the induced e.m.f is proportional to the magnetic field.

the direction of the induced e.m.f is such that it will oppose the change causing it.

Fleming’s Left hand rule can be used to determine the direction of induced e.m.f.

the induced e.m.f is always in opposite direction to the magnetic field.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The magnetic field produced by a long straight current-carrying wire is

proportional to both the current in the wire and the distance from the wire.

proportional to the current in the wire and inversely proportional to the distance from the wire.

inversely proportional to the current in the wire and proportional to the distance from the wire.

inversely proportional to both the current in the wire and the distance from the wire.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine the factors which will not increases the induce emf of a coil

increasing the magnetic field.

increasing the cross sectional area of the coil

increasing the number of turns of the coil

decreasing the strength of magnetic field

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not the unit for magnetic field strength?

Tesla

Weber per meter squared

Weber per second squared

Gauss

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Number of magnetic field line passes through an area is the definition for

magnetic flux

current carrying conductors

induced emf

magnetic field

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