Electricity and magnetism - Current and magnet

661

Gaurav Gardi ·2013-04-23 21:03:02

(B)

337

Sayan Sinha ·2013-04-23 11:36:02

Anyone...?

337

Sayan Sinha ·2013-04-24 09:05:24

But how???

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Bitan Chakraborty Flemming's Left Hand Rule........ But I have to check.....
Upvote·0· Reply ·2013-05-08 03:36:34
Sayan Sinha But how will a paper move at all?
Upvote·0· Reply ·2013-05-08 10:30:33
Bitan Chakraborty A velocity by the influence of the fields.
Upvote·0· Reply ·2013-05-08 23:23:02
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145

Ranadeep Roy ·2013-05-10 06:02:29

B

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Ranadeep Roy Current clockwise, so motion of electrons anticlockwise. So we get the direction of velocity(v) Magnetic field from left to right, so we get the direction of B. Doing v X B. we get the direction of magnetic field pointing towards us. (right hand thumb rule) Since Electrons are negatively charged, the direction of force acting is opposite to that of field. So the force will act away from us
Upvote·0· Reply ·2013-05-10 06:07:00
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1161

Akash Anand ·2013-05-20 22:58:00

For finding the force we have to apply the formula
F= i lXB
According to that Option A is correct, i.e right edge will come towards us.

337

Sayan Sinha ·2013-05-22 08:42:38

Sir, but how will we understand the direction of the calculated force?

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Akash Anand You are yet too young to understand this. You will learn this in class -11 & NO MORE DISCUSSION ON THIS QUESTION.
Upvote·0· Reply ·2013-05-23 23:24:29
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Current and magnet