A parallel-plate capacitor with distance of separation between the plates, d, is charged and then disconnected from the battery. The plates are then pushed together to decrease their separation to (1/2)d. Which of the following statements is true? O The energy stored in the capacitor is four times the original level. O The energy stored in the capacitor is one quarter times the original level. O The energy stored in the capacitor is not changed. O The energy stored in the capacitor is half the original level. O The energy stored in the capacitor is twice the original level.

1. what is the amount of interest earned after two years on a $100 deposit paying 4 percent simple interest annually? $8.00 $4.08 $8.16 $4.00 2. what is the amount of compound interest earned after three years on a $100 deposit paying 8 percent interest annually? $24.00 $8.00 $16.64 $25.97 3. a business just took out a loan for $100,000 at 10% interest. if the business pays the loan off in three months, how much did the business pay in interest? $2,500.00 $10.00 $250.00 $10,000.00 4. what is the annual percentage yield (apy) for a deposit paying 5 percent interest with monthly compounding? 5.00% 5.12% 79.59% 0.42%