Physics: Electromagnet induction in a straight wire

(a) Copper wire is moved quickly upwards.The pointer of the galvanometer is deflected to__________. There is _______flow in the wire.

Opposite side; no current

One side; current

(b) Copper wire is moved quickly downwards. The pointer of the galvanometer is deflected to the __________. This shows that there is a __________in the____________.

Opposite side; current flows; opposite direction

One side; no current flows; one side.

(c) Copper wire is moved quickly horizontally parallel with the magnet. The pointer______________. This shows that ______________ flows in the wire.

Does not deflect; no current

Deflected to one side; current

(d) Copper wire is moved quickly parallel with the magnet field lines. The pointer _________________. This shows that _________flows in the wire.

Deflect to one side; current

Does not deflect; no current

Faraday's Law states that the magnitude of __________is directly proportional to the rate of change of _______________of the magnetic field.

Lenz Law states that the induced current is such that the change producing it will be _______.

Induced current produces a _______to oppose the motion of the magnet coming towards the solenoid.

North

South

Induced current produces a ______pole to attract the magnet that is moving away from the solenoid.

North

South

Physics: Electromagnet induction in a straight wire

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