Science
Study the circuit and find out-

(a) Current in 12 ohm resistor
(b) Difference in the readings of ammeter A1 and A2 if any
Related Questions
(a) Under what conditions can a convex lens form a virtual image?
(b) Why does a piece of paper catch fire if we allow sunlight to pass through a convex lens onto the paper?
Find out the following in the electric circuit given in the figure-

(a) Effective resistance of two 8 ohm resistors in the combination.
(b) Current flowing through the 4-ohm resistor
You are given four resistors each having resistance of R ohm. Find the maximum and minimum resistance that can be made with these four resistors.
A copper wire has a length L = 2 m, a cross-sectional area A = 0.5 mm2, and resistivity ρ = 1.7 × 10-8 Ωm. Calculate the resistance of another wire made of the same material whose length is twice the length of the wire but has the same cross-sectional area.