Both sentence pairs make sense. Both describe the same facts. However, in each pair one sentence uses the active voice and one uses the passive voice. Which sentence would you use? That would depend ...

"We applied an external magnetic field of 4 T while increasing the pressure to 300 kPa." or "An external magnetic field of 4 T was applied as the pressure was increased to 300 kPa." Which is the ...

Conventional wisdom about writing: "Do not use the passive voice." The passive voice, simply expressed: "B" was caused by "A." The active voice: "A" caused "B." The passive voice deadens communication ...