A 2.0-?F capacitor is charged to 12 V and then discharged through a 4.0-M? resistor. How long will it take for the voltage across the capacitor to drop to 3.0 V?
A) 22 s B) 11 s C) 24 s D) 8.0 s
B
You might also like to view...
Consider the function ? (x) = Ax 2 + B, where A and B are constants. Is this function a possible quantum wave function under the right circumstances?
A. Yes. B. Yes, but only for certain values of A and B. C. Yes, but only if A and B are complex. D. Yes, if B is zero. E. No.
When you read from a printed page, you're seeing reflected light that is
A) specular. B) diffuse. C) both of these D) neither of these
One mole of an ideal gas at 1.00 atm and 0.00°C occupies 22.4 L. How many molecules of an ideal gas are in one cm3 under these conditions?
a. 28.9 c. 2.69 × 10^19 b. 22,400 d. 6.02 × 10^23
A projectile returns to its original height 4.08 s after being launched, during which time it travels 76.2 m horizontally. If air resistance can be neglected, what was the projectile's initial speed?
What will be an ideal response?