Question: If the diameter of a wire is doubled, its current carrying capacity becomes
Options
A : one-fourth
B : half
C : twice
D : four times
Materials and Components - Part 1 more questions
The conductivity of intrinsic semiconductor is given by
The core of a coil has a length of 10....
The minority carrier life time and diffusion constant in a....
Two materials having temperature coefficients of 0.004 and 0.0004 respectively....
The number of valence electrons in pentavalent impurity is
The law J = ?E, where J is current density,....
Material which lack permanent magnetic dipoles are known as
A parallel plate capacitor has its length, width and separation....
In atomic physics, a state with l = 0 is....
If a sample of germanium and a sample of silicon....
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