Answer:
(e) no
(a) Rs = R' + R'' + R'''
(b) 1/Rp = 1/R' + 1/R'' + 1/R'''
Step-by-step explanation:
11 e)
Practically it is not possible to give limitless charge to a conductor. It depends to the number of valence electrons.
(a) When the three resistances R'. R'' and R''' is in series combination.
Let they are connected to the voltage V and the current in each resistance is I.
According to Ohm's law
Voltage across R', V' = I R'
Voltage across R'', V'' = I R''
Voltage across R''', V''' = I R'''
So, let the equivalent resistance is Rs.
I Rs = I R' + I R'' + I R'''
Rs = R' + R'' + R'''
(b)
When the three resistances R'. R'' and R''' is in parallel combination.
Let they are connected to the voltage V and the current in each resistance is I', I''. I'''.
Current in R', I' = V/R'
Current in R'', I'' = V/R''
Current in R''', I''' = V/R'''
The equivalent resistance is Rp.
V/Rp = V/R' + V/ R'' + V/R'''
1/Rp = 1/R' + 1/R'' + 1/R'''