A capacitor with the capacitance constant C has a charge of Q and a potential difference of V.

If the charge is reduced to Q and the potential is increased to 2V, what is the new capacitance?

2c

4c

Which of the following are found in plant cells buh not animal cells?

Peter throws a snowball at his car parked in the driveway. The snowball disintegrates as it hits the car. By Newton's third law, you know that both the car and the snowball exert a force on each other.

Describe two energy conversions that take place when you warm a cup of cocoa in a microwave oven.

What causes some materials to have magnetic field

Why don't you feel the pressure exerted by atmosphere?

The conservation of energy covers all types of energy. This lesson has only provided a handful of examples of it. To be more convinced that it works in another context, devise an experiment to evaluate the conservation of energy.

Which technology category would NOT likely be the subject of a standard published by the International Electrotechnical Commission (IEC) ? A. Semiconductors B. Solar energy C. Encryption D. Consumer appliances

In the kitchen of your house you would like to run a 240 W blender, a 30 W phone charger, a 720 W toaster oven, and two 120 W lights. Assuming your house is wired for 120 Volts, how much current will be pulled by these electrical devices?

The specific heat of solid Substance A is 0.1 kJ/kg K. The specific heat of solid Substance B is 1.0 kJ/kg K. Which substance will require a higher number of joules to heat from 10°C to 20°C?

What is the difference between unicellular and multicellular organisms?