What is a common source for a voltage difference

Lamont has a dark container. He knows that the container has a mass of 2.0 g when it is empty. He cannot see inside the container. However, he is able to use a balance to determine that the container has a mass of 2.7 g.

A student built the circuit shown in the diagram below. 12V 1.6 AY 3.52 р Calculate the total resistance of the circuit in the diagram above. Use the equation: potential difference resistance = current

The addition of heat energy to a system always causes the temperature of that system to increase. true or false

When Hannah rubs her hands together on a cold day, the friction converts what energy

You have a 9V battery connected to a device you wish to power. 5C of charge flows out of the battery over the course of twohours. What is the average current (in Amps) the flowed during that time?

What four things does the resistance of a wire depend on?

What is the smallest particle representing hydrogen peroxide? a) a hydrogen atom b) a molecule c) an oxygen atom d) diatomic oxygen

The sun radiates energy. Does the earth similarly radiate energy? If so, why can't we see the radiant energy from the earth? 1.

The opposite poles of two magnets will do which of the following? A. attract one another B. repel one another C. attract or repel one another, depending on orientation D. not interact with one another

What should i put on a greeting card for the birth of quartzite