GCSE Physics - Motor Effect #79

GCSE Physics - Motor Effect #79

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the motor effect, where a current-carrying wire in a magnetic field experiences a force. It covers how to determine the direction and strength of this force using Fleming's left hand rule and the equation F = BIL. The tutorial also discusses scenarios involving horseshoe magnets and provides a practical example of calculating force.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to a current-carrying wire placed parallel to a magnetic field?

It experiences maximum force.

It experiences no force.

It experiences a slight force.

It experiences a force in the opposite direction.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which finger represents the direction of the magnetic field in Fleming's left hand rule?

Third finger

Second finger

First finger

Thumb

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Fleming's left hand rule, if the magnetic field is pointing downwards and the current is towards you, which direction will the force be?

Upwards

Left

Downwards

Right

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'B' in the formula F = BIL stand for?

Force

Length of the wire

Current

Magnetic flux density

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a wire with a current of 5 amps is placed in a magnetic field of 0.4 teslas at 90 degrees, what is the force experienced by a 0.1-meter wire?

0.4 newtons

0.2 newtons

0.3 newtons

0.1 newtons

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