Recent content by AmirWG

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    How can I calculate the equivalent resistance of this circuit?

    potential difference will be the same across the 20 ohm resistor i guess ?
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    How can I calculate the equivalent resistance of this circuit?

    @berkeman @kuruman will the circuit still be shorted if the circuit looks something like this ?
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    How can I calculate the equivalent resistance of this circuit?

    kuruman but if follow the electric current starting at postive terminal , electric current will flow in both top and bottom branches after the junction right ?
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    How can I calculate the equivalent resistance of this circuit?

    i was trying to calculate equivalent resistance of this circuit and that was my attempt : 1) i can see two parallel 20 ohm resistors so equivalent resistance = $${20 \over 2} = 10 ohm$$ 2) now we are left with 20 ohm resistor and 10 ohm resistor which are connected in series so equivalent...
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    Trying to get equivalent resistance of a circuit

    i can now see why my steps went wrong and i am even able to get the correct answer now , thanks a lot for helping (:
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    Trying to get equivalent resistance of a circuit

    i had a problem in my textbook asking me to get equivalent resistance of a circuit , i ended up getting 23.7 ohm as my answer but my textbook says that the correct answer is 100 ohm you can see my attempt here : imgur link : i really want to know what went wrong with my steps thanks in advance
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    B Need Help Regarding a U Shaped tube problem

    so the pressure at point A is less than pressure at point B because the height at point B is greater than the height at point A ? right ?
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    B Need Help Regarding a U Shaped tube problem

    the only thing given is that the fluid in yellow is oil while the one in blue is water.
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    B Need Help Regarding a U Shaped tube problem

    my text box says that the pressure at point A is less than pressure at point B Are not they supposed to have same pressure as they are on the same horizontal plane ?
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    B Can the same formula be used for both water and mercury manometers?

    if we use a water manometer we get the pressure of the gas in manometer by using this forumla : Pgas = Patmosphere ± ρgh and if we use the a mercury manometer we use this formula instead : Pgas = Patmosphere ± h and here's my question : why cannot we use the first formula in both of them ...
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    B Why is the height of a liquid not affected by the radius of a U-Shaped tube

    @kuruman @sophiecentaur i am talking about this : and this ( this is just an example of what i am saying btw) what does he mean by that ? if we use u shaped tube with two branches with different diameters realistically we should get totally difference results as the branche with smaller...
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    B Why is the height of a liquid not affected by the radius of a U-Shaped tube

    Why the height of liquid is not affected by the radius of U-Shaped tube . ..my textbook says this and it does make sense because if increase the radius of u shaped tube the height of liquid should decrease as the liquids take shape of their container. Edit : I could not make the title longer...
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    P = F Sin/Cos Angle / A: Explained!

    When I should use each one of these forumlas ? I just need someone to explain each one of them ... Here's a pic to what I am referring to https://ibb.co/M1GJRPF , why cannot we always use the big F in the middle , the question might be lame but I just suck when it comes to dealing with...
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