A battery (ɛ = 10V) is connected the six light bulbs (L, through L6) in the following circuit. All light bulbs have the same resistance of 10 N. After the switch K is closed, the bulbs are lit up. Which of the followings are true %3D I. L3 and L, bulbs have equal brightness II. If L, and L2 bulbs burn out, no other bulb in the circuit will glow. III. The EMF source generates new electrons and supplies them to the electric circuit. L2 ee 25 +7 Only III Only I Only I and II Only II 1, II, and III Only I and II Only Il and III

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