Who remembers to subtract?

Electricity and Magnetism Level 2

If − 1.6 × 10 − 19 -1.6\times { 10 }^{ -19 } is less than + 1.6 × 10 − 19 +1.6\times { 10 }^{ -19 } by 3.2 × 10 − 19 3.2\times { 10 }^{ -19 } ,

Can we say that the electron has a charge 3.2 × 10 − 19 C \displaystyle 3.2\times { 10 }^{ -19 }C less than the charge of a proton?

Yes, we can say that None of these No, we can't say that We can say that, but approximatlely

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Soumo Mukherjee by Soumo Mukherjee , 25, India

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3 solutions

Signs ( + v e , − v e +ve, -ve ) given to charges is just a convention we follow to distinguish them.

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Trishit Chandra
Jan 20, 2015

the magnitude of their charge is same. So we can not say that.

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I thought charge was a scalar quantity?

Ilya Andreev - 6 years, 4 months ago

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sorry I wrote wrong. Now I have corrected it.

Trishit Chandra - 6 years, 4 months ago

[citation needed]

Jakub Šafin - 6 years, 4 months ago
Ross Gunderson
Jan 27, 2015

Also making a statement like that would be misleading. We know that charge is a quantized value, so it isn't continuous. You can't have a particle with any charge you wish.

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