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In the image below you have three different patterns of the electric field generated by charged particles. Match the pattern A, B, and C with the charged particles that are generating it.

There are two resistors connected in parallel: R1=[x] Ohms and R2=[y] Ohms. Determine the equivalent resistance. Round your answer to 2 significant digits only. For example, if the answer is 65.4 Ohms write 65.

A box contains 2 green and 3 red marbles. One marble is drawn at random, replaced, and then a marble is drawn again. What is the probability that the two marbles are the same color? 

If you place a device that is measuring the magnetic field in the proximity of a wire with current, there will be no changes on the field values on the display of the device.

The power of my toaster is [x] Watts and it draws [y] Amperes of current. The resistance of the toaster is _______________Ohms. Give your answer with one decimal place.

What happens to the frequency and the wavelength of the light wave when it is passing from water to the air? Match the correct answers.

In a metallic wire the [charge] are moving because it is present [field].

Think about three identical rays of light in air that are refracted upon entering in three different materials, each with a different speed of light. Calling “c” the speed of light in vacuum, where for example 0.50c means 50% of the speed of light in vacuum.  Material A is  Diamond where the speed of light is 0.41c Material B is Amber, where the speed of light is 0.65c Material C is Water, where the speed of light is 0.75c Rank the materials according to how much the light ray bends toward the normal, from the ray most away from the normal to the ray closest to the normal.

Buoyant force is greatest on a submerged __________ (Note: Density of iron is higher than that of copper)