Electromagnetic Induction Set 3

Results

#1. Lenz's law is consistent with law of conservation of

Mass

Energy

Charge

None

#2. An inductor is a circuit element that can store energy in the form of

Magnetic field

Electric flux

Electric field

None

#3. The negative sign with induced e.m.f is due to

Faraday's law

Lenz's law

Ampere law

None

#4. Inductance are measured by

Coulombs

Amperes

Volt

Henry

#5. An over loaded motor draws

Max, current

Min. current

Half

None

#6. The co-efficient of mutual inductance is equal to

e (ΔIp/Δt)

e (Δt/ΔΙΡ)

e (ΔtΔΙΡ)

None

#7. Alternating current changes

Its magnitude as well as direction

Only direction but not magnitude

Only magnitude but not direction

None

#8. The relation of motional e.m.f., when a conductor is move in perpendicular magnetic field, is:

E = BLV

E = qBI

E = BIq

E = qVB

#9. Inductance is measured in:

Volt

Ampere

Henry

Ohm

#10. The instantaneous value of A.C. voltage is

V = Vo sin 2 ft

V = Vo * sin 2ft

V = Vo * sin 2 ^ pi wt

None

Finish

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Results

#1. Lenz's law is consistent with law of conservation of

#2. An inductor is a circuit element that can store energy in the form of

#3. The negative sign with induced e.m.f is due to

#4. Inductance are measured by

#5. An over loaded motor draws

#6. The co-efficient of mutual inductance is equal to

#7. Alternating current changes

#8. The relation of motional e.m.f., when a conductor is move in perpendicular magnetic field, is:

#9. Inductance is measured in:

#10. The instantaneous value of A.C. voltage is