# A couple of brief questionsWatch

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#1
Ive almost finished this homework assignment save two questions:

Regarding Magnetism and Motors

Explain why one scientist would use their left hand for the motor rule while another would use their right hand, and they would both be correct.

--I understand the right hand rule but I dont understand how this would work

You have the following materials : A well trained squirrel, a squirrel treadmill, an armature, two wires, al light bulb, a split-ring commutator, and a horseshoe-shaped dipole magnet. Draw a generator using hte materials listed above. Be sure to label

-- Is this as easy as I think it is? It almosts seems like a trick when compared amongst the other questions on this home work.

I appreciate all help
0
13 years ago
#2
(Original post by Apple Jones)
Ive almost finished this homework assignment save two questions:

Regarding Magnetism and Motors

Explain why one scientist would use their left hand for the motor rule while another would use their right hand, and they would both be correct.

--I understand the right hand rule but I dont understand how this would work

You have the following materials : A well trained squirrel, a squirrel treadmill, an armature, two wires, al light bulb, a split-ring commutator, and a horseshoe-shaped dipole magnet. Draw a generator using hte materials listed above. Be sure to label

-- Is this as easy as I think it is? It almosts seems like a trick when compared amongst the other questions on this home work.

I appreciate all help
The left hand rule is for magnetic induction and the right hand rule is for the force produced by a wire. Therefore they are both right. But they are used for different things.

Left hand rule is for your electric dynamo, right hand rule of for your electric motor. I think thats right anyway

For the squirrel stick the squirrel on treadmill, connect him up to the armature with a split ring commutator. connect to wire which is coiled in the magnet. Also have the other 1 coiled in the magnet and connected to the bulb. The squirrel runs, turns the armature, which induces a current, which is induced across into the other wire which feeds the bulb. Something along those lines anyhow
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