https://padlet.com/barromar020/szmbe42ut0e0 Made with an open mind en-us 2018-05-07 13:30:06 UTC 2018-05-10 13:31:17 UTC hello@padlet.com barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259257386 Two electric charges with the opposite sign attract (magnets) ]]> 2018-05-09 13:08:10 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259257386 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259257870 The SI unit for the elcetric charge is the columb ]]> 2018-05-09 13:09:22 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259257870 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259258219 An important difference between gravitational and electric force is that gravitatioal force will always be 9.81 ( its optional if you want to make it negative, your choice)]]> 2018-05-09 13:10:09 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259258219 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259259290 The electric force between two charged spheres is 32N, what will be the magnitude of the force if the size of each charge is is doubled and the distance between them is doubled? 
F= Kq1q2/d^2

If each of the charges is doubled the complete answer will be quadrupled 
If the distance between them is doubled the answer will decrease by four
so at the end the answer will remain the same.
ex.
K= 8.99*10^9
F= K(.002)(.002)/4^2 = 2247.5N
F= K(.004)(.004)/8^2 =2247.5N

]]> 2018-05-09 13:12:52 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259259290 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259269307 A negative charge of 1E-8 C and a negative charge of 1E-8 C are0.024m apart, what is the attractive force between the particles? 

F=K(1*10^-8) (1*10^-8)/0.024^2 F= 0.0015]]> 2018-05-09 13:33:31 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259269307 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259272045 55= K(1.5*10^-6)q2/0.040^2
55=13485q2/0.0016 
55*0.0016=0.088
0.088/13485=q2
q2=0.000006526=6.5*10^-6]]> 2018-05-09 13:39:07 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259272045 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259278141 A lamp is connected to a battery of 400V and the current that flows through the circuit is 4A the resistance of the lamp is? 
R=V/I 
R=400V/$ 
R=100]]> 2018-05-09 13:52:11 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259278141 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259280085 I=V/R
V=I*R
V= 4*10 
V= 40V]]> 2018-05-09 13:55:44 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259280085 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259294772 Parallel circuit  ]]> 2018-05-09 14:22:55 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259294772 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259295672 Rt=1/R1+1R2+1/R3
1/23+1/23+1/23=3/23 
Get the reciprocal: 
23/3=7.67 R]]> 2018-05-09 14:24:21 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259295672 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259598989 Rt=R1+R4+R23
RT=20+20+20=60R]]> 2018-05-10 13:13:27 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259598989 barromar020 https://padlet.com/barromar020/szmbe42ut0e0/wish/259599686 I=V/R 
I=10V/20
I=O.5A

]]> 2018-05-10 13:15:09 UTC https://padlet.com/barromar020/szmbe42ut0e0/wish/259599686