In which of the following does the quantum mechanical model of the hydrogen atom give the same result as the bohr model? the energy levels of the electron. the orbital radius of the electron the angular momentum of the electron. the probability distribution of the electron. none of the above

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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