The value and unit of V1 is

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BlackTom AI · Accepted Answer

The question asks for the value and unit of V1, with the given answer indicating 14 V. 
Option 1: 50 V. This mismatches the provided value of V1 and uses the wrong magnitude; if V1 were 50 V, this would be the value, but it conflicts with the stated answer. 
Option 2: 50 A. Here the unit is amperes, which corresponds to current, not voltage; since V1 denotes a voltage, this option is inconsistent with the quantity being asked. 
Option 3: 14 V. This option uses volts, the unit for electrical potential difference, and the numeric value aligns with the provided value for V1. If V1 is a voltage source set to 14, this is the pair of quantity and unit that matches that definition. 
Option 4: 14 A. This presents a numeric value with an ampere unit, which measures current, not voltage; this misreads both the quantity (voltage) and the unit. 
In summary, options differ in either the numerical value or the dimensional unit (voltage vs current). The combination of 14 with V (volts) correctly represents a voltage value for V1, while the other choices mix incompatible magnitudes or units.

2025SpringC-P-EGR102-11644-11645 PA Electrical Circuits Review

The value and unit of V1 is

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