Two conductors having net charges of +16.0 hc and -16.0 hc have a potential difference of 16.0 v between them. (a) determine the capacitance of the system (b) what is the potential difference between the two conductors if the charges on each are increased to +256.0 c and-256.0 uc

(a) Capacitance is

(b) Potential difference is 256 V

Solution:

As per the question:

Charges on the two conductors, q is   and

The potential difference between the charges, V = 16.0 V

Now,

(a) The capacitance of the system is given by:

q = CV

(Since, )

Now,

(b) When the charge, 'q' is increased to and

q = CV

answer: option c. i.e. electric current flowing “downhill” from the negative electrode to the positive electrode in a battery

explanation:

the water analogy to the circuits define the pipes (water flows) to the electric current. now, we know that the electric current flows from the positive terminal to the circuit (as shown in the diagram attached).

hence, option c is the correct answer.

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