anonymous
  • anonymous
Can someone help me with physics? I dont get any anwer in physic forum
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
go to physicforum.com
anonymous
  • anonymous
ok thanks
anonymous
  • anonymous
This will last forever. It is not like sopenstudy. Please help me

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anonymous
  • anonymous
what's your question ?
anonymous
  • anonymous
What are the dimensions for electric charge? What are the dimensions for the electric field? Dimensions for potential? Dimentions for capacitance? They are a, b c question and I have to choose one
anonymous
  • anonymous
for electrica charge I can choose from: a) LQ^-1 b (Q^-2)/M c LT^-2 d Q e QT^-1
anonymous
  • anonymous
ahh what exactly do you mean by dimension ? What i know is that charge is the product of current and time
anonymous
  • anonymous
I am translating from spanish. So I dont know if that is the way it must be translated into english. But I think we have to do is try to compose the electric charge by using elemental units like m, s, Kg, etc.
anonymous
  • anonymous
Ok since charge = current * time , so the unit for current is Ampere whereas the unit for time is seconds, so the unit for charge comes out to be As -> if that is what you are asking for :S
anonymous
  • anonymous
In the above options that you have given what do L and Q indicate ?
anonymous
  • anonymous
I think they means length and charge.
anonymous
  • anonymous
I think the correct answer is d) Q
anonymous
  • anonymous
If you are asking for the unit of charge then that will be Q
anonymous
  • anonymous
Can you give the options for the second question
anonymous
  • anonymous
dimensions for electric field: a) LTQ b) (L^2)(T^-1)(Q^-1) c) ML(T^-2)(Q^-2) d) ML(T^-2)(Q^-2) e) ML(Q-1)
anonymous
  • anonymous
So, L= Length T = Temperature Q = Charge
anonymous
  • anonymous
What's M ?
anonymous
  • anonymous
mass
anonymous
  • anonymous
I think the answer is e) coz E=F/Q
anonymous
  • anonymous
electric field = force / charge
anonymous
  • anonymous
what does force is made of?
anonymous
  • anonymous
As far as i remember force = mass * g
anonymous
  • anonymous
so it will be option c
anonymous
  • anonymous
Im I right?
anonymous
  • anonymous
yeah i guess so , not sure about this one
anonymous
  • anonymous
Ok. Lets try dimensions for potential energy a) (L^2)(T^2)(Q^2) b) M(L^2)(T^-2)(Q^-1) c) ML(T^-1)(Q^-1) d) MQL(T^-1) e) L(T^-1)(Q^-2)
anonymous
  • anonymous
Umm well let's see , potential energy = force * length
anonymous
  • anonymous
which means mass * acceleration * length
anonymous
  • anonymous
which further means mass * length^2 *time^-2
anonymous
  • anonymous
According to me the answer would be ML^2T^-2 , but this answer isn't in the options you gave

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