# Physics

What happens when you plug more equipment into apower board in terms of it's resistance and current. Explain.

1. 👍 0
2. 👎 1
3. 👁 170
1. Plugging another appliance or resistor into a "power board" is like adding another resistor in parallel. The total current that the power board provides goes up, and the effective resistance that it is connected to (V/I) goes down.

1. 👍 0
2. 👎 0
2. An electric hair dryer has a power rating of 1200W and is designated to be used on a 120V household circuit. How much current flows through the dryer when it is in use?

1. 👍 0
2. 👎 0
3. 1200w/120v=10A
i=10amps

1. 👍 0
2. 👎 0

## Similar Questions

1. ### PHYSICS

A diver leaves a 3-m board on a trajectory that takes her 2.7m above the board and then into the water 2.9m horizontally from the end of the board.At what speed did she leave the board?At what angle did she leave the board?

2. ### Physics

A diver leaves a 3-m board on a trajectory that takes her 2.8m above the board and then into the water 2.7m horizontally from the end of the board.At what speed and angle did she leave the board?

3. ### Physics

At the local swimming pool, the diving board is elevated h = 7.5 m above the pool surface and overhangs the pool edge by L = 2 m. A diver runs horizontally along the diving board with a speed of v0 = 3.4 m/s and then falls into

4. ### Science

Please help A Brick is resting on smooth wooden board that s at a 30 angle, What is one way to overoome the state tuition that is holding the brick in plece? (i pot) Raise the board to her angle press down on the brick in a

1. ### Physics

At the platform diving in the Olympics, a diver jumps from either a 5 meter, 7.5 meter or 10 meter board. Neglecting air resistance, calculate the diver's speed when she hits the water after diving off the 10 m board.

2. ### algebra

A board is leaning against a building so that the top of the board reaches a height of 18 feet. The bottom fo the board is on the groung 4 feet away from the wall. What is the slope of the board as a positive number?

3. ### Physics!! Help!!!!!

A wire of length L and cross-sectional area A has resistance R. What will be the resistance R_stretched of the wire if it is stretched to twice its original length? Assume that the density and resistivity of the material do not

4. ### MATH HELP

Which of the following questions is a statistical question? What is the top-selling board game? In what aisle are the board games located in the local store? How many board games require a deck of cards to play? How many board

1. ### Introduction to Graphic Design

Hello! Thanks for checking my question out! ____ 10. Which of the following are reasons why it is important to properly recycle electronic equipment? Select all that apply. (3 points) a) Recycling electronic equipment conserves

2. ### Physics

Problem 2- 1. As a ship is approaching the dock at 45 cm/s, an important piece of landing equipment needs to be thrown to it before it can dock. This equipment is thrown at 15.0 m/s at 60∘ above the horizontal from the top of a