A 1.0 m long piece of coaxial cable has a wire with a radius of 1.1 mm and a concentric conductor with inner radius 1.3 mm. The area between the cable and the conductor is filled with a dielectric
If the voltage drop across the capacitor is 6000 V when the line charge density is 8.8 ?C/m, find the value of the dielectric constant. (k = 1/4??0 = 8.99 × 109 N • m2/C2) A) 4.4
B) 4.8
C) 5.3
D) 5.7
A
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Induction: If two objects are electrically attracted to each other,
A. both objects must be negatively charged. B. both objects must be positively charged. C. one object must be negatively charged and the other object must be positively charged. D. the objects could be electrically neutral. E. None of these statements are absolutely true.
In nuclear fission, (more/less) massive and (higher/lower) atomic number elements on the periodic table are broken into smaller and less massive nuclei. In nuclear fusion, (more/less) massive and (higher/lower) atomic number elements on the periodic table are fused into larger are more massive nuclei
What will be an ideal response?
Compared to spiral galaxies, elliptical galaxies have
A. ...more gas, more dust, and less new star formation. B. ...less gas, more dust, and more new star formation. C. ...less gas, less dust, and more new star formation. D. ...more gas, more dust, and more new star formation. E. ...less gas, less dust, and less new star formation.
A set of ten minerals used as reference standards in determining hardness is called the______________ hardness scale
Fill in the blank(s) with correct word