现已上线！2025 年 Telegram 研究 — 年度关键洞察 
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Which one of the following is fundamental law of forces ?
BPSC AE - 2018
Which of the following is not a basic element of a transformer ?
RRB JE - 2014
The path of magnetic flux in a transformer should have :
RRB JE - 2014
Spherical shape of droplets of mercury is due to :
RRB JE - 2015
Fluid is a substance which offers no resistance to change of :
RRB JE - 2015
In a tank or Channel, notch is provided to measure :
RRB JE - 2015
The property of a substance which oppose the flow of current is known as :
Falling drops of water become spheres due to the property of :
RRB JE - 2015
Which one of the following is defined as force per unit length :
RRB JE - 2015
