23.(i) Define resistivity.
(ii) The resistance of a wire is 10 92, whose area of cross section is
3.14x10-8 m2. If the resistivity of the material of the wire is 50x10-80 m,
find the length of the wire.
(iii) A battery source of potential difference 12 V is connected to three
resistors of 6 1,9 22 and 18 22 joined in parallel.
(a) Calculate the equivalent resistance of the combination of three resistors
(c) Find the current flowing in the 9 a resistor.
Pt.
Answers
Answered by
2
Answer:
locate peninsular river and northern river on the outline of political map of India
Similar questions