Series-Parallel Circuits - General Questions

With 6 V applied, what is the voltage across R₂ of a parallel combination of R₂ (1 k ), R₃ (2 k ), and R₄ (1 k ) in series with R₁, whose value is 2 k ?

In the given circuit, what is R_UNK equal to if R_V must be adjusted to 1,232  in order to balance the bridge?

In a series–parallel circuit consisting of R₁ and R₂ in series and connected in parallel with R₃, if R₁ opens, then R₂'s voltage will:

Which circuit fault do the meter readings in the given figure indicate?

A Wheatstone bridge can be used to determine an unknown

If R₁ is in series with a parallel combination of R₂, R₃, and R₄, when the resistance value of R₂ increases, the voltage across R₃ will