A device that has the capacity to receive and store electrical energy is a (n)

Insulator

Capacitor

How are magnetic field lines and electric field lines alike

The reason an electric current can create a magnetic field is due to the phenomenon of

If you get caught in a strong current in a river you should roll onto your back and float downstream feet? True or False

An electrostatic force of 81N exist between a charge of + 2 x 10-5C and a second charge of + 4.5 x 10-4C. What is the distance between the two charges? Is it attractive or repulsive?

An ideal machine has an efficiency of 100%

You have two pendulums with cords that are exactly the same length. one is on earth (with an acceleration due to gravity of 9.81 meters/second2) and the other one is on the moon (with an acceleration due to gravity of 1.63 meters/second2).

The magnetic field is 0.0 2M from the wire is 0.1 T what is the magnitude of the magnetic field 0.0 1M from the same wire

A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.5 x 10 exponent 5 kg, its speed is 27.0 m/s and the net braking force is 4.30 x 10 exponent 5 N, (A) what id its speed 7.

What is matter in context clues

The metallic elements which all react in water are found in the: same group same period rare earth elements