What is the approximate nuclear radius of an isotope of sodium with 11 protons and 12 neutrons?
What will be an ideal response?
3.4 × 10-15 m
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Why don't eclipses occur at every new Moon and full Moon?
What will be an ideal response?
You charge a parallel-plate capacitor, remove it from the battery, and prevent the wires connected to the plates from touching each other. When you increase the plate separation, what happens to the value of C?
1.It increases. 2.It decreases. 3.It stays the same.
Consider an LRC circuit. The impedance of the circuit increases if R increases. When is this statement true?
A) always true B) true only if XL is less than or equal to XC C) true only if XL is greater than or equal to XC D) true only if XL is equal to XC E) never true
The current in a 0.40 H inductor increases form 2.0 A to 3.0 A in 1.5 s. The energy stored by the inductor during this process increases by
A. 3.6 J. B. 1.8 J. C. 1.2 J. D. 1.0 J. E. 0.6 J.