To answer this question, first click here to view the associated video. Suppose you wanted to improve a moving-coil microphone so that it was more sensitive (i. e., so that it outputs a stronger induced emf for a given sound intensity). Which of the following will improve the sensitivity?A. Replace the diaphragm with one that moves more easily. B. Replace the magnet with a stronger one C. Increase the cool with one with more turns D. All of the above E. None of the above
Answers: 1
Physics, 22.06.2019 06:00
An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm
Answers: 2
Physics, 22.06.2019 09:00
An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?
Answers: 3
Physics, 22.06.2019 10:00
Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
Answers: 1
Physics, 22.06.2019 10:30
You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
Answers: 2
To answer this question, first click here to view the associated video. Suppose you wanted to improv...
Mathematics, 24.09.2020 03:01
Mathematics, 24.09.2020 03:01
Engineering, 24.09.2020 03:01
Mathematics, 24.09.2020 03:01
Mathematics, 24.09.2020 03:01
Mathematics, 24.09.2020 03:01
Computers and Technology, 24.09.2020 03:01
Business, 24.09.2020 03:01
Computers and Technology, 24.09.2020 03:01
Mathematics, 24.09.2020 03:01
English, 24.09.2020 03:01