A lens system consists of a +4D lens and a +3D lens separated by 10 cm. Find the equivalent focal power and the positions of the principal points. An object 3 cm long is situated 50 cm in front of the first lens. What will be the position and size of the image produced by the combination?

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A: EMF of the battery in circuit: ε=18 V Standard resistance: R=1 Ω

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A: inductance L = 3.10 mH = 3.10 *10-3 H Capacitance C = 4.81μF = 4.81 x 10-6 F

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Q: A- Compare the values of for the two temperatures.

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